20962852556 has 24 divisors (see below), whose sum is σ = 38764561920. Its totient is φ = 9898800912.

The previous prime is 20962852553. The next prime is 20962852583. The reversal of 20962852556 is 65525826902.

It is not an unprimeable number, because it can be changed into a prime (20962852553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434866 + ... + 1449401.

It is an arithmetic number, because the mean of its divisors is an integer number (1615190080).

Almost surely, 2^20962852556 is an apocalyptic number.

It is an amenable number.

20962852556 is a deficient number, since it is larger than the sum of its proper divisors (17801709364).

20962852556 is a wasteful number, since it uses less digits than its factorization.

20962852556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884373 (or 2884371 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 50.

The spelling of 20962852556 in words is "twenty billion, nine hundred sixty-two million, eight hundred fifty-two thousand, five hundred fifty-six".