20159429952 has 56 divisors (see below), whose sum is σ = 55059104512. Its totient is φ = 6503040000.

The previous prime is 20159429947. The next prime is 20159429971. The reversal of 20159429952 is 25992495102.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1687549 + ... + 1699452.

Almost surely, 2^20159429952 is an apocalyptic number.

It is an amenable number.

20159429952 is an abundant number, since it is smaller than the sum of its proper divisors (34899674560).

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

20159429952 is a wasteful number, since it uses less digits than its factorization.

20159429952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387047 (or 3387037 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 48.

The spelling of 20159429952 in words is "twenty billion, one hundred fifty-nine million, four hundred twenty-nine thousand, nine hundred fifty-two".