20252432029 has 16 divisors (see below), whose sum is σ = 22030746624. Its totient is φ = 18561312000.

The previous prime is 20252432017. The next prime is 20252432047. The reversal of 20252432029 is 92023425202.

It is a de Polignac number, because none of the positive numbers 2^k-20252432029 is a prime.

It is a super-2 number, since 2×20252432029² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20252432089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68604 + ... + 212629.

It is an arithmetic number, because the mean of its divisors is an integer number (1376921664).

Almost surely, 2^20252432029 is an apocalyptic number.

It is an amenable number.

20252432029 is a deficient number, since it is larger than the sum of its proper divisors (1778314595).

20252432029 is a wasteful number, since it uses less digits than its factorization.

20252432029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281388.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 20252432029 in words is "twenty billion, two hundred fifty-two million, four hundred thirty-two thousand, twenty-nine".