202055515120 has 40 divisors (see below), whose sum is σ = 470538120240. Its totient is φ = 80691617280.

The previous prime is 202055515099. The next prime is 202055515139. The reversal of 202055515120 is 21515550202.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×202055515120² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1990621 + ... + 2089660.

It is an arithmetic number, because the mean of its divisors is an integer number (11763453006).

Almost surely, 2^202055515120 is an apocalyptic number.

202055515120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202055515120 is an abundant number, since it is smaller than the sum of its proper divisors (268482605120).

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

202055515120 is a wasteful number, since it uses less digits than its factorization.

202055515120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4080913 (or 4080907 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 28.

The spelling of 202055515120 in words is "two hundred two billion, fifty-five million, five hundred fifteen thousand, one hundred twenty".