20552224552 has 16 divisors (see below), whose sum is σ = 38619018900. Its totient is φ = 10253819520.

The previous prime is 20552224549. The next prime is 20552224559. The reversal of 20552224552 is 25542225502.

It can be written as a sum of positive squares in 2 ways, for example, as 20247582436 + 304642116 = 142294^2 + 17454^2 .

It is not an unprimeable number, because it can be changed into a prime (20552224559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2782677 + ... + 2790052.

Almost surely, 2^20552224552 is an apocalyptic number.

It is an amenable number.

20552224552 is a deficient number, since it is larger than the sum of its proper divisors (18066794348).

20552224552 is a wasteful number, since it uses less digits than its factorization.

20552224552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573196 (or 5573192 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 34.

The spelling of 20552224552 in words is "twenty billion, five hundred fifty-two million, two hundred twenty-four thousand, five hundred fifty-two".