20196842608 has 20 divisors (see below), whose sum is σ = 39133667160. Its totient is φ = 10097831744.

The previous prime is 20196842569. The next prime is 20196842647. The reversal of 20196842608 is 80624869102.

It is an interprime number because it is at equal distance from previous prime (20196842569) and next prime (20196842647).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 409923 + ... + 456541.

It is an arithmetic number, because the mean of its divisors is an integer number (1956683358).

Almost surely, 2^20196842608 is an apocalyptic number.

It is an amenable number.

20196842608 is a deficient number, since it is larger than the sum of its proper divisors (18936824552).

20196842608 is a wasteful number, since it uses less digits than its factorization.

20196842608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73704 (or 73698 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 20196842608 in words is "twenty billion, one hundred ninety-six million, eight hundred forty-two thousand, six hundred eight".