20265016120 has 32 divisors (see below), whose sum is σ = 45637207200. Its totient is φ = 8098731648.

The previous prime is 20265016099. The next prime is 20265016183. The reversal of 20265016120 is 2161056202.

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, 182100 + ... + 271459.

It is an arithmetic number, because the mean of its divisors is an integer number (1426162725).

Almost surely, 2^20265016120 is an apocalyptic number.

20265016120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20265016120 is an abundant number, since it is smaller than the sum of its proper divisors (25372191080).

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

20265016120 is a wasteful number, since it uses less digits than its factorization.

20265016120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454687 (or 454683 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The spelling of 20265016120 in words is "twenty billion, two hundred sixty-five million, sixteen thousand, one hundred twenty".