23781262220 has 24 divisors (see below), whose sum is σ = 52569106800. Its totient is φ = 9011846592.

The previous prime is 23781262207. The next prime is 23781262247. The reversal of 23781262220 is 2226218732.

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, 31290755 + ... + 31291514.

It is an arithmetic number, because the mean of its divisors is an integer number (2190379450).

Almost surely, 2^23781262220 is an apocalyptic number.

23781262220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23781262220 is an abundant number, since it is smaller than the sum of its proper divisors (28787844580).

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

23781262220 is a wasteful number, since it uses less digits than its factorization.

23781262220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62582297 (or 62582295 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The spelling of 23781262220 in words is "twenty-three billion, seven hundred eighty-one million, two hundred sixty-two thousand, two hundred twenty".