20344460634 has 32 divisors (see below), whose sum is σ = 47589384000. Its totient is φ = 6424566192.

The previous prime is 20344460621. The next prime is 20344460659. The reversal of 20344460634 is 43606444302.

20344460634 is a `hidden beast` number, since 2 + 0 + 3 + 4 + 44 + 606 + 3 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9913429 + ... + 9915480.

It is an arithmetic number, because the mean of its divisors is an integer number (1487168250).

Almost surely, 2^20344460634 is an apocalyptic number.

20344460634 is an abundant number, since it is smaller than the sum of its proper divisors (27244923366).

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

20344460634 is a wasteful number, since it uses less digits than its factorization.

20344460634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19828939 (or 19828933 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 36.

The spelling of 20344460634 in words is "twenty billion, three hundred forty-four million, four hundred sixty thousand, six hundred thirty-four".