20007433873 has 16 divisors (see below), whose sum is σ = 23374396800. Its totient is φ = 17118277008.

The previous prime is 20007433871. The next prime is 20007433879. The reversal of 20007433873 is 37833470002.

It is not a de Polignac number, because 20007433873 - 2¹ = 20007433871 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20007433871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138690 + ... + 243412.

It is an arithmetic number, because the mean of its divisors is an integer number (1460899800).

Almost surely, 2^20007433873 is an apocalyptic number.

It is an amenable number.

20007433873 is a deficient number, since it is larger than the sum of its proper divisors (3366962927).

20007433873 is an equidigital number, since it uses as much as digits as its factorization.

20007433873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105301 (or 105287 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 20007433873 in words is "twenty billion, seven million, four hundred thirty-three thousand, eight hundred seventy-three".