20269204407 has 24 divisors (see below), whose sum is σ = 30858796800. Its totient is φ = 12800668608.

The previous prime is 20269204391. The next prime is 20269204451. The reversal of 20269204407 is 70440296202.

20269204407 is a `hidden beast` number, since 20 + 26 + 9 + 204 + 407 = 666.

It is not a de Polignac number, because 20269204407 - 2⁴ = 20269204391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20269204477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 718807 + ... + 746472.

It is an arithmetic number, because the mean of its divisors is an integer number (1285783200).

Almost surely, 2^20269204407 is an apocalyptic number.

20269204407 is a deficient number, since it is larger than the sum of its proper divisors (10589592393).

20269204407 is a wasteful number, since it uses less digits than its factorization.

20269204407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465367 (or 1465364 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

It can be divided in two parts, 20269 and 204407, that added together give a square (224676 = 474²).

The spelling of 20269204407 in words is "twenty billion, two hundred sixty-nine million, two hundred four thousand, four hundred seven".