20065537016 has 32 divisors (see below), whose sum is σ = 43010460000. Its totient is φ = 8596939776.

The previous prime is 20065536979. The next prime is 20065537027. The reversal of 20065537016 is 61073556002.

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, 141200 + ... + 245088.

It is an arithmetic number, because the mean of its divisors is an integer number (1344076875).

Almost surely, 2^20065537016 is an apocalyptic number.

It is an amenable number.

20065537016 is an abundant number, since it is smaller than the sum of its proper divisors (22944922984).

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

20065537016 is a wasteful number, since it uses less digits than its factorization.

20065537016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107351 (or 107347 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The spelling of 20065537016 in words is "twenty billion, sixty-five million, five hundred thirty-seven thousand, sixteen".