20103313023220 has 48 divisors (see below), whose sum is σ = 48365917044480. Its totient is φ = 6875712209664.

The previous prime is 20103313023217. The next prime is 20103313023239. The reversal of 20103313023220 is 2232031330102.

It is a junction number, because it is equal to n+sod(n) for n = 20103313023191 and 20103313023200.

It is a congruent number.

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, 175486864 + ... + 175601383.

It is an arithmetic number, because the mean of its divisors is an integer number (1007623271760).

Almost surely, 2^{20103313023220} is an apocalyptic number.

20103313023220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20103313023220 is an abundant number, since it is smaller than the sum of its proper divisors (28262604021260).

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

20103313023220 is a wasteful number, since it uses less digits than its factorization.

20103313023220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351088672 (or 351088670 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 20103313023220 its reverse (2232031330102), we get a palindrome (22335344353322).

The spelling of 20103313023220 in words is "twenty trillion, one hundred three billion, three hundred thirteen million, twenty-three thousand, two hundred twenty".