20470517344 has 24 divisors (see below), whose sum is σ = 40314061368. Its totient is φ = 10232025600.

The previous prime is 20470517329. The next prime is 20470517359. The reversal of 20470517344 is 44371507402.

It is an interprime number because it is at equal distance from previous prime (20470517329) and next prime (20470517359).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519 + ... + 202369.

It is an arithmetic number, because the mean of its divisors is an integer number (1679752557).

Almost surely, 2^20470517344 is an apocalyptic number.

It is an amenable number.

20470517344 is a deficient number, since it is larger than the sum of its proper divisors (19843544024).

20470517344 is a wasteful number, since it uses less digits than its factorization.

20470517344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202078 (or 202070 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The spelling of 20470517344 in words is "twenty billion, four hundred seventy million, five hundred seventeen thousand, three hundred forty-four".