20552664027 has 24 divisors (see below), whose sum is σ = 31883178000. Its totient is φ = 11742325056.

The previous prime is 20552664019. The next prime is 20552664031. The reversal of 20552664027 is 72046625502.

It is not a de Polignac number, because 20552664027 - 2³ = 20552664019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20552664007) 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, 1331349 + ... + 1346697.

It is an arithmetic number, because the mean of its divisors is an integer number (1328465750).

Almost surely, 2^20552664027 is an apocalyptic number.

20552664027 is a deficient number, since it is larger than the sum of its proper divisors (11330513973).

20552664027 is a wasteful number, since it uses less digits than its factorization.

20552664027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24475 (or 24468 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 20552664027 in words is "twenty billion, five hundred fifty-two million, six hundred sixty-four thousand, twenty-seven".