20948700568 has 32 divisors (see below), whose sum is σ = 41602822560. Its totient is φ = 9855014400.

The previous prime is 20948700559. The next prime is 20948700571. The reversal of 20948700568 is 86500784902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425605 + ... + 472267.

It is an arithmetic number, because the mean of its divisors is an integer number (1300088205).

Almost surely, 2^20948700568 is an apocalyptic number.

It is an amenable number.

20948700568 is a deficient number, since it is larger than the sum of its proper divisors (20654121992).

20948700568 is a wasteful number, since it uses less digits than its factorization.

20948700568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49987 (or 49983 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 49.

The spelling of 20948700568 in words is "twenty billion, nine hundred forty-eight million, seven hundred thousand, five hundred sixty-eight".