20205913596 has 48 divisors (see below), whose sum is σ = 51444341760. Its totient is φ = 6121681920.

The previous prime is 20205913591. The next prime is 20205913633. The reversal of 20205913596 is 69531950202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20205913591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 721365 + ... + 748851.

It is an arithmetic number, because the mean of its divisors is an integer number (1071757120).

Almost surely, 2^20205913596 is an apocalyptic number.

It is an amenable number.

20205913596 is an abundant number, since it is smaller than the sum of its proper divisors (31238428164).

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

20205913596 is a wasteful number, since it uses less digits than its factorization.

20205913596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33074 (or 33072 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 20205913596 in words is "twenty billion, two hundred five million, nine hundred thirteen thousand, five hundred ninety-six".