197902652120 has 32 divisors (see below), whose sum is σ = 459644872320. Its totient is φ = 76607477760.

The previous prime is 197902652117. The next prime is 197902652141. The reversal of 197902652120 is 21256209791.

It is a super-2 number, since 2×197902652120² (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, 79798217 + ... + 79800696.

It is an arithmetic number, because the mean of its divisors is an integer number (14363902260).

Almost surely, 2^197902652120 is an apocalyptic number.

197902652120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197902652120 is an abundant number, since it is smaller than the sum of its proper divisors (261742220200).

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

197902652120 is a wasteful number, since it uses less digits than its factorization.

197902652120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159598955 (or 159598951 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 197902652120 in words is "one hundred ninety-seven billion, nine hundred two million, six hundred fifty-two thousand, one hundred twenty".