20073426320 has 40 divisors (see below), whose sum is σ = 47011404024. Its totient is φ = 7970757632.

The previous prime is 20073426271. The next prime is 20073426349. The reversal of 20073426320 is 2362437002.

It can be written as a sum of positive squares in 4 ways, for example, as 3855913216 + 16217513104 = 62096^2 + 127348^2 .

It is a tau number, because it is divible by the number of its divisors (40).

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, 904799 + ... + 926718.

Almost surely, 2^20073426320 is an apocalyptic number.

20073426320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20073426320 is an abundant number, since it is smaller than the sum of its proper divisors (26937977704).

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

20073426320 is a wasteful number, since it uses less digits than its factorization.

20073426320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831667 (or 1831661 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 29.

The spelling of 20073426320 in words is "twenty billion, seventy-three million, four hundred twenty-six thousand, three hundred twenty".