202028302920 has 96 divisors (see below), whose sum is σ = 607071528000. Its totient is φ = 53786629632.

The previous prime is 202028302891. The next prime is 202028302943. The reversal of 202028302920 is 29203820202.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144408381 + ... + 144409779.

It is an arithmetic number, because the mean of its divisors is an integer number (6323661750).

Almost surely, 2^202028302920 is an apocalyptic number.

202028302920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202028302920 is an abundant number, since it is smaller than the sum of its proper divisors (405043225080).

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

202028302920 is a wasteful number, since it uses less digits than its factorization.

202028302920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607 (or 2506 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 202028302920 in words is "two hundred two billion, twenty-eight million, three hundred two thousand, nine hundred twenty".