20426753098 has 4 divisors (see below), whose sum is σ = 30640129650. Its totient is φ = 10213376548.

The previous prime is 20426753071. The next prime is 20426753101. The reversal of 20426753098 is 89035762402.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 20272918689 + 153834409 = 142383^2 + 12403^2 .

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 as a sum of consecutive naturals, namely, 5106688273 + ... + 5106688276.

Almost surely, 2^20426753098 is an apocalyptic number.

20426753098 is a deficient number, since it is larger than the sum of its proper divisors (10213376552).

20426753098 is a wasteful number, since it uses less digits than its factorization.

20426753098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10213376551.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 20426753098 in words is "twenty billion, four hundred twenty-six million, seven hundred fifty-three thousand, ninety-eight".