20464262 has 24 divisors (see below), whose sum is σ = 38457216. Its totient is φ = 8095248.

The previous prime is 20464237. The next prime is 20464267. The reversal of 20464262 is 26246402.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20464267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6758 + ... + 9305.

It is an arithmetic number, because the mean of its divisors is an integer number (1602384).

Almost surely, 2^20464262 is an apocalyptic number.

20464262 is a deficient number, since it is larger than the sum of its proper divisors (17992954).

20464262 is a wasteful number, since it uses less digits than its factorization.

20464262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16092 (or 16085 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 20464262 is about 4523.7442456443. The cubic root of 20464262 is about 273.5260512134.

The spelling of 20464262 in words is "twenty million, four hundred sixty-four thousand, two hundred sixty-two".