20196472 has 16 divisors (see below), whose sum is σ = 38388240. Its totient is φ = 9959616.

The previous prime is 20196443. The next prime is 20196509. The reversal of 20196472 is 27469102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16708 + ... + 17875.

It is an arithmetic number, because the mean of its divisors is an integer number (2399265).

Almost surely, 2^20196472 is an apocalyptic number.

It is an amenable number.

20196472 is a deficient number, since it is larger than the sum of its proper divisors (18191768).

20196472 is a wasteful number, since it uses less digits than its factorization.

20196472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34662 (or 34658 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 20196472 is about 4494.0485088615. The cubic root of 20196472 is about 272.3277119844.

The spelling of 20196472 in words is "twenty million, one hundred ninety-six thousand, four hundred seventy-two".