20162595961320 has 32 divisors (see below), whose sum is σ = 60487787884320. Its totient is φ = 5376692256320.

The previous prime is 20162595961289. The next prime is 20162595961369. The reversal of 20162595961320 is 2316959526102.

It is a super-2 number, since 2×20162595961320² (a number of 27 digits) contains 22 as substring.

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, 84010816386 + ... + 84010816625.

It is an arithmetic number, because the mean of its divisors is an integer number (1890243371385).

Almost surely, 2^{20162595961320} is an apocalyptic number.

20162595961320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20162595961320 is an abundant number, since it is smaller than the sum of its proper divisors (40325191923000).

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

20162595961320 is a wasteful number, since it uses less digits than its factorization.

20162595961320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168021633025 (or 168021633021 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 20162595961320 in words is "twenty trillion, one hundred sixty-two billion, five hundred ninety-five million, nine hundred sixty-one thousand, three hundred twenty".