20879052552 has 36 divisors (see below), whose sum is σ = 56550754845. Its totient is φ = 6959275488.

The previous prime is 20879052547. The next prime is 20879052553. The reversal of 20879052552 is 25525097802.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

20879052552 is a `hidden beast` number, since 2 + 0 + 8 + 7 + 90 + 5 + 2 + 552 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18794764836 + 2084287716 = 137094^2 + 45654^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=102174.

It is a junction number, because it is equal to n+sod(n) for n = 20879052498 and 20879052507.

It is not an unprimeable number, because it can be changed into a prime (20879052553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1217574 + ... + 1234602.

Almost surely, 2^20879052552 is an apocalyptic number.

It is an amenable number.

20879052552 is an abundant number, since it is smaller than the sum of its proper divisors (35671702293).

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

20879052552 is an frugal number, since it uses more digits than its factorization.

20879052552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34070 (or 17034 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 20879052552 in words is "twenty billion, eight hundred seventy-nine million, fifty-two thousand, five hundred fifty-two".