21514606264220 has 24 divisors (see below), whose sum is σ = 45205956203184. Its totient is φ = 8601026686976.

The previous prime is 21514606264211. The next prime is 21514606264247. The reversal of 21514606264220 is 2246260641512.

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, 300952037 + ... + 301023516.

It is an arithmetic number, because the mean of its divisors is an integer number (1883581508466).

Almost surely, 2^{21514606264220} is an apocalyptic number.

21514606264220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21514606264220 is an abundant number, since it is smaller than the sum of its proper divisors (23691349938964).

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

21514606264220 is a wasteful number, since it uses less digits than its factorization.

21514606264220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601977349 (or 601977347 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 21514606264220 in words is "twenty-one trillion, five hundred fourteen billion, six hundred six million, two hundred sixty-four thousand, two hundred twenty".