2652021221620 has 24 divisors (see below), whose sum is σ = 5569276946688. Its totient is φ = 1060802320800.

The previous prime is 2652021221581. The next prime is 2652021221659. The reversal of 2652021221620 is 261221202562.

It is an interprime number because it is at equal distance from previous prime (2652021221581) and next prime (2652021221659).

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, 4923825 + ... + 5435815.

It is an arithmetic number, because the mean of its divisors is an integer number (232053206112).

Almost surely, 2^{2652021221620} is an apocalyptic number.

2652021221620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2652021221620 is an abundant number, since it is smaller than the sum of its proper divisors (2917255725068).

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

2652021221620 is a wasteful number, since it uses less digits than its factorization.

2652021221620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770991 (or 770989 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 2652021221620 in words is "two trillion, six hundred fifty-two billion, twenty-one million, two hundred twenty-one thousand, six hundred twenty".