23413211220 has 48 divisors (see below), whose sum is σ = 74922277248. Its totient is φ = 5351591040.

The previous prime is 23413211197. The next prime is 23413211231. The reversal of 23413211220 is 2211231432.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 27872451 + ... + 27873290.

It is an arithmetic number, because the mean of its divisors is an integer number (1560880776).

Almost surely, 2^23413211220 is an apocalyptic number.

23413211220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23413211220 is an abundant number, since it is smaller than the sum of its proper divisors (51509066028).

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

23413211220 is a wasteful number, since it uses less digits than its factorization.

23413211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55745760 (or 55745758 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 23413211220 its reverse (2211231432), we get a palindrome (25624442652).

The spelling of 23413211220 in words is "twenty-three billion, four hundred thirteen million, two hundred eleven thousand, two hundred twenty".