20056825529 has 24 divisors (see below), whose sum is σ = 22253280192. Its totient is φ = 18059146560.

The previous prime is 20056825513. The next prime is 20056825549. The reversal of 20056825529 is 92552865002.

It is not a de Polignac number, because 20056825529 - 2⁴ = 20056825513 is a prime.

It is a super-2 number, since 2×20056825529² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20056825529.

It is not an unprimeable number, because it can be changed into a prime (20056825549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7490939 + ... + 7493615.

It is an arithmetic number, because the mean of its divisors is an integer number (927220008).

Almost surely, 2^20056825529 is an apocalyptic number.

It is an amenable number.

20056825529 is a deficient number, since it is larger than the sum of its proper divisors (2196454663).

20056825529 is a wasteful number, since it uses less digits than its factorization.

20056825529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777 (or 3764 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

The spelling of 20056825529 in words is "twenty billion, fifty-six million, eight hundred twenty-five thousand, five hundred twenty-nine".