20196036 has 81 divisors (see below), whose sum is σ = 59946159. Its totient is φ = 5716368.

The previous prime is 20195971. The next prime is 20196049. The reversal of 20196036 is 63069102.

It is a happy number.

The square root of 20196036 is 4494.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×20196036² = 815759740226592, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 188695 + ... + 188801.

Almost surely, 2^20196036 is an apocalyptic number.

20196036 is the 4494-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20196036

20196036 is an abundant number, since it is smaller than the sum of its proper divisors (39750123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20196036 is a wasteful number, since it uses less digits than its factorization.

20196036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The cubic root of 20196036 is about 272.3257523066.

The spelling of 20196036 in words is "twenty million, one hundred ninety-six thousand, thirty-six".