20302105260 has 48 divisors (see below), whose sum is σ = 57227436000. Its totient is φ = 5377557504.

The previous prime is 20302105237. The next prime is 20302105273. The reversal of 20302105260 is 6250120302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1126525 + ... + 1144404.

It is an arithmetic number, because the mean of its divisors is an integer number (1192238250).

Almost surely, 2^20302105260 is an apocalyptic number.

20302105260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20302105260 is an abundant number, since it is smaller than the sum of its proper divisors (36925330740).

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

20302105260 is a wasteful number, since it uses less digits than its factorization.

20302105260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271090 (or 2271088 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20302105260 its reverse (6250120302), we get a palindrome (26552225562).

The spelling of 20302105260 in words is "twenty billion, three hundred two million, one hundred five thousand, two hundred sixty".