20641052998 has 16 divisors (see below), whose sum is σ = 31474141776. Its totient is φ = 10149726240.

The previous prime is 20641052987. The next prime is 20641053007. The reversal of 20641052998 is 89925014602.

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, 1222965 + ... + 1239727.

It is an arithmetic number, because the mean of its divisors is an integer number (1967133861).

Almost surely, 2^20641052998 is an apocalyptic number.

20641052998 is a deficient number, since it is larger than the sum of its proper divisors (10833088778).

20641052998 is a wasteful number, since it uses less digits than its factorization.

20641052998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26919.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 20641052998 in words is "twenty billion, six hundred forty-one million, fifty-two thousand, nine hundred ninety-eight".