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202010202112020 = 2235232391564939139
BaseRepresentation
bin101101111011101000101010…
…010101101000000000010100
3222111020222122022112220020020
4231323220222111220000110
5202434213343220041040
61553350112233105140
760356520061326441
oct5573505225500024
9874228568486206
10202010202112020
1159404055773975
121a7a6b1bb581b0
138894632357113
1437c54bb4089c8
151854b37a4ecd0
hexb7ba2a568014

202010202112020 has 192 divisors, whose sum is σ = 592743674880000. Its totient is φ = 51307054977024.

The previous prime is 202010202112009. The next prime is 202010202112031. The reversal of 202010202112020 is 20211202010202.

It is an interprime number because it is at equal distance from previous prime (202010202112009) and next prime (202010202112031).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5161333611 + ... + 5161372749.

It is an arithmetic number, because the mean of its divisors is an integer number (3087206640000).

Almost surely, 2202010202112020 is an apocalyptic number.

202010202112020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202010202112020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296371837440000).

202010202112020 is an abundant number, since it is smaller than the sum of its proper divisors (390733472767980).

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

202010202112020 is a wasteful number, since it uses less digits than its factorization.

202010202112020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55062 (or 55060 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 202010202112020 its reverse (20211202010202), we get a palindrome (222221404122222).

The spelling of 202010202112020 in words is "two hundred two trillion, ten billion, two hundred two million, one hundred twelve thousand, twenty".