20958898748 has 36 divisors (see below), whose sum is σ = 38542182840. Its totient is φ = 9969406560.

The previous prime is 20958898733. The next prime is 20958898769. The reversal of 20958898748 is 84789885902.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 180590 + ... + 273002.

It is an arithmetic number, because the mean of its divisors is an integer number (1070616190).

Almost surely, 2^20958898748 is an apocalyptic number.

It is an amenable number.

20958898748 is a deficient number, since it is larger than the sum of its proper divisors (17583284092).

20958898748 is a wasteful number, since it uses less digits than its factorization.

20958898748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92538 (or 92505 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 68.

The spelling of 20958898748 in words is "twenty billion, nine hundred fifty-eight million, eight hundred ninety-eight thousand, seven hundred forty-eight".