20264735 has 24 divisors (see below), whose sum is σ = 26151840. Its totient is φ = 15069888.

The previous prime is 20264719. The next prime is 20264737. The reversal of 20264735 is 53746202.

It is not a de Polignac number, because 20264735 - 2⁴ = 20264719 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 20264698 and 20264707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20264737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185861 + ... + 185969.

It is an arithmetic number, because the mean of its divisors is an integer number (1089660).

Almost surely, 2^20264735 is an apocalyptic number.

20264735 is a deficient number, since it is larger than the sum of its proper divisors (5887105).

20264735 is a wasteful number, since it uses less digits than its factorization.

20264735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 20264735 is about 4501.6369244976. The cubic root of 20264735 is about 272.6341846783.

The spelling of 20264735 in words is "twenty million, two hundred sixty-four thousand, seven hundred thirty-five".