20603288120 has 32 divisors (see below), whose sum is σ = 46361617920. Its totient is φ = 8240565120.

The previous prime is 20603288117. The next prime is 20603288131. The reversal of 20603288120 is 2188230602.

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, 688265 + ... + 717575.

It is an arithmetic number, because the mean of its divisors is an integer number (1448800560).

Almost surely, 2^20603288120 is an apocalyptic number.

20603288120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20603288120 is an abundant number, since it is smaller than the sum of its proper divisors (25758329800).

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

20603288120 is a wasteful number, since it uses less digits than its factorization.

20603288120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46895 (or 46891 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The spelling of 20603288120 in words is "twenty billion, six hundred three million, two hundred eighty-eight thousand, one hundred twenty".