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22032021111020 = 22531174120410981
BaseRepresentation
bin1010000001001101110101…
…10010101100000011101100
32220000020111102200100002122
411000212322302230003230
510341433034401023040
6114505212030412112
74432522010334524
oct500467262540354
986006442610078
1022032021111020
1170248005a8538
122579b53361038
13c3a7c286957b
145624d9748684
152831841201b5
hex1409bacac0ec

22032021111020 has 48 divisors (see below), whose sum is σ = 47787170785536. Its totient is φ = 8523625248000.

The previous prime is 22032021111019. The next prime is 22032021111031. The reversal of 22032021111020 is 2011112023022.

It is a self number, because there is not a number n which added to its sum of digits gives 22032021111020.

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, 9126071 + ... + 11284910.

It is an arithmetic number, because the mean of its divisors is an integer number (995566058032).

Almost surely, 222032021111020 is an apocalyptic number.

22032021111020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22032021111020 is an abundant number, since it is smaller than the sum of its proper divisors (25755149674516).

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

22032021111020 is a wasteful number, since it uses less digits than its factorization.

22032021111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20412762 (or 20412760 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 22032021111020 its reverse (2011112023022), we get a palindrome (24043133134042).

The spelling of 22032021111020 in words is "twenty-two trillion, thirty-two billion, twenty-one million, one hundred eleven thousand, twenty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 1741 3482 6964 8705 17410 34820 53971 107942 215884 269855 539710 1079420 20410981 40821962 81643924 102054905 204109810 408219620 632740411 1265480822 2530961644 3163702055 6327404110 12654808220 35535517921 71071035842 142142071684 177677589605 355355179210 710710358420 1101601055551 2203202111102 4406404222204 5508005277755 11016010555510 22032021111020