20028346052 has 24 divisors (see below), whose sum is σ = 41177160192. Its totient is φ = 8403501600.

The previous prime is 20028346043. The next prime is 20028346099. The reversal of 20028346052 is 25064382002.

It is a super-2 number, since 2×20028346052² (a number of 21 digits) contains 22 as substring.

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, 17506724 + ... + 17507867.

It is an arithmetic number, because the mean of its divisors is an integer number (1715715008).

Almost surely, 2^20028346052 is an apocalyptic number.

20028346052 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20028346052 is an abundant number, since it is smaller than the sum of its proper divisors (21148814140).

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

20028346052 is a wasteful number, since it uses less digits than its factorization.

20028346052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35014619 (or 35014617 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 20028346052 in words is "twenty billion, twenty-eight million, three hundred forty-six thousand, fifty-two".