20196464 has 40 divisors (see below), whose sum is σ = 40497408. Its totient is φ = 9752000.

The previous prime is 20196443. The next prime is 20196509. The reversal of 20196464 is 46469102.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 20196464.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80339 + ... + 80589.

Almost surely, 2^20196464 is an apocalyptic number.

It is an amenable number.

20196464 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

20196464 is a wasteful number, since it uses less digits than its factorization.

20196464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 20196464 is about 4494.0476187953. The cubic root of 20196464 is about 272.3276760273.

The spelling of 20196464 in words is "twenty million, one hundred ninety-six thousand, four hundred sixty-four".