21332614550220 has 36 divisors (see below), whose sum is σ = 64708930802880. Its totient is φ = 5688697213344.

The previous prime is 21332614550197. The next prime is 21332614550243. The reversal of 21332614550220 is 2205541623312.

21332614550220 is a `hidden beast` number, since 2 + 1 + 3 + 3 + 2 + 6 + 145 + 502 + 2 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (21332614550197) and next prime (21332614550243).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59257262460 + ... + 59257262819.

It is an arithmetic number, because the mean of its divisors is an integer number (1797470300080).

Almost surely, 2^{21332614550220} is an apocalyptic number.

21332614550220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21332614550220 is an abundant number, since it is smaller than the sum of its proper divisors (43376316252660).

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

21332614550220 is a wasteful number, since it uses less digits than its factorization.

21332614550220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118514525294 (or 118514525289 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 21332614550220 in words is "twenty-one trillion, three hundred thirty-two billion, six hundred fourteen million, five hundred fifty thousand, two hundred twenty".