20336630456 has 32 divisors (see below), whose sum is σ = 38337364800. Its totient is φ = 10113438720.

The previous prime is 20336630423. The next prime is 20336630459. The reversal of 20336630456 is 65403663302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20336630459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1678436 + ... + 1690508.

It is an arithmetic number, because the mean of its divisors is an integer number (1198042650).

Almost surely, 2^20336630456 is an apocalyptic number.

It is an amenable number.

20336630456 is a deficient number, since it is larger than the sum of its proper divisors (18000734344).

20336630456 is a wasteful number, since it uses less digits than its factorization.

20336630456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13199 (or 13195 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 38.

The spelling of 20336630456 in words is "twenty billion, three hundred thirty-six million, six hundred thirty thousand, four hundred fifty-six".