20562070660 has 12 divisors (see below), whose sum is σ = 43180348428. Its totient is φ = 8224828256.

The previous prime is 20562070619. The next prime is 20562070681. The reversal of 20562070660 is 6607026502.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6031696896 + 14530373764 = 77664^2 + 120542^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514051747 + ... + 514051786.

It is an arithmetic number, because the mean of its divisors is an integer number (3598362369).

Almost surely, 2^20562070660 is an apocalyptic number.

20562070660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20562070660 is an abundant number, since it is smaller than the sum of its proper divisors (22618277768).

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

20562070660 is a wasteful number, since it uses less digits than its factorization.

20562070660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1028103542 (or 1028103540 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The spelling of 20562070660 in words is "twenty billion, five hundred sixty-two million, seventy thousand, six hundred sixty".