20147196 has 24 divisors (see below), whose sum is σ = 47134080. Its totient is φ = 6698032.

The previous prime is 20147189. The next prime is 20147207. The reversal of 20147196 is 69174102.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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, 3025 + ... + 7031.

It is an arithmetic number, because the mean of its divisors is an integer number (1963920).

Almost surely, 2^20147196 is an apocalyptic number.

It is an amenable number.

20147196 is an abundant number, since it is smaller than the sum of its proper divisors (26986884).

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

20147196 is a wasteful number, since it uses less digits than its factorization.

20147196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4433 (or 4431 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 20147196 is about 4488.5627989369. The cubic root of 20147196 is about 272.1060536555.

The spelling of 20147196 in words is "twenty million, one hundred forty-seven thousand, one hundred ninety-six".