20750493320 has 32 divisors (see below), whose sum is σ = 46975057920. Its totient is φ = 8249273280.

The previous prime is 20750493311. The next prime is 20750493347. The reversal of 20750493320 is 2339405702.

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, 1584776 + ... + 1597815.

It is an arithmetic number, because the mean of its divisors is an integer number (1467970560).

Almost surely, 2^20750493320 is an apocalyptic number.

20750493320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20750493320 is an abundant number, since it is smaller than the sum of its proper divisors (26224564600).

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

20750493320 is a wasteful number, since it uses less digits than its factorization.

20750493320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182765 (or 3182761 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 35.

The spelling of 20750493320 in words is "twenty billion, seven hundred fifty million, four hundred ninety-three thousand, three hundred twenty".