20464162 has 4 divisors (see below), whose sum is σ = 30696246. Its totient is φ = 10232080.

The previous prime is 20464153. The next prime is 20464177. The reversal of 20464162 is 26146402.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26146402 = 2 ⋅13073201.

It can be written as a sum of positive squares in only one way, i.e., 13905441 + 6558721 = 3729^2 + 2561^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5116039 + ... + 5116042.

Almost surely, 2^20464162 is an apocalyptic number.

20464162 is a deficient number, since it is larger than the sum of its proper divisors (10232084).

20464162 is a wasteful number, since it uses less digits than its factorization.

20464162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10232083.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 20464162 is about 4523.7331928397. The cubic root of 20464162 is about 273.5256056782.

The spelling of 20464162 in words is "twenty million, four hundred sixty-four thousand, one hundred sixty-two".