20264464203 has 16 divisors (see below), whose sum is σ = 28255239936. Its totient is φ = 12894215840.

The previous prime is 20264464169. The next prime is 20264464217. The reversal of 20264464203 is 30246446202.

It is not a de Polignac number, because 20264464203 - 2⁶ = 20264464139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20264464223) 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, 286725 + ... + 350342.

It is an arithmetic number, because the mean of its divisors is an integer number (1765952496).

Almost surely, 2^20264464203 is an apocalyptic number.

20264464203 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

20264464203 is a deficient number, since it is larger than the sum of its proper divisors (7990775733).

20264464203 is a wasteful number, since it uses less digits than its factorization.

20264464203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637554.

The product of its (nonzero) digits is 55296, while the sum is 33.

The spelling of 20264464203 in words is "twenty billion, two hundred sixty-four million, four hundred sixty-four thousand, two hundred three".