2220550721620 has 48 divisors (see below), whose sum is σ = 5813805529728. Its totient is φ = 692119704960.

The previous prime is 2220550721603. The next prime is 2220550721639. The reversal of 2220550721620 is 261270550222.

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, 720956487 + ... + 720959566.

It is an arithmetic number, because the mean of its divisors is an integer number (121120948536).

Almost surely, 2^{2220550721620} is an apocalyptic number.

2220550721620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2220550721620 is an abundant number, since it is smaller than the sum of its proper divisors (3593254808108).

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

2220550721620 is a wasteful number, since it uses less digits than its factorization.

2220550721620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441916080 (or 1441916078 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The spelling of 2220550721620 in words is "two trillion, two hundred twenty billion, five hundred fifty million, seven hundred twenty-one thousand, six hundred twenty".