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120220102212020 = 22523463756361451
BaseRepresentation
bin11011010101011011101100…
…011111001011100110110100
3120202122221002121220220012222
4123111123230133023212310
5111224141232131241040
61103404204051101512
734215421130132246
oct3325335437134664
9522587077826188
10120220102212020
1135340071626878
1211597564ba1898
135210926360055
142198980c42096
15dd73027d5bb5
hex6d56ec7cb9b4

120220102212020 has 48 divisors (see below), whose sum is σ = 263495649691008. Its totient is φ = 45987336067200.

The previous prime is 120220102212019. The next prime is 120220102212037. The reversal of 120220102212020 is 20212201022021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 120220102212020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26047706 + ... + 30313745.

It is an arithmetic number, because the mean of its divisors is an integer number (5489492701896).

Almost surely, 2120220102212020 is an apocalyptic number.

120220102212020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120220102212020 is an abundant number, since it is smaller than the sum of its proper divisors (143275547478988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

120220102212020 is a wasteful number, since it uses less digits than its factorization.

120220102212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56366120 (or 56366118 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 120220102212020 its reverse (20212201022021), we get a palindrome (140432303234041).

The spelling of 120220102212020 in words is "one hundred twenty trillion, two hundred twenty billion, one hundred two million, two hundred twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 23 46 92 115 230 460 4637 9274 18548 23185 46370 92740 106651 213302 426604 533255 1066510 2133020 56361451 112722902 225445804 281807255 563614510 1127229020 1296313373 2592626746 5185253492 6481566865 12963133730 25926267460 261348048287 522696096574 1045392193148 1306740241435 2613480482870 5226960965740 6011005110601 12022010221202 24044020442404 30055025553005 60110051106010 120220102212020