20231098902 has 48 divisors (see below), whose sum is σ = 50658959520. Its totient is φ = 5715363456.

The previous prime is 20231098889. The next prime is 20231098907. The reversal of 20231098902 is 20989013202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231098907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 890833 + ... + 913260.

It is an arithmetic number, because the mean of its divisors is an integer number (1055394990).

Almost surely, 2^20231098902 is an apocalyptic number.

20231098902 is an abundant number, since it is smaller than the sum of its proper divisors (30427860618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20231098902 is a wasteful number, since it uses less digits than its factorization.

20231098902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1804197 (or 1804194 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 20231098902 in words is "twenty billion, two hundred thirty-one million, ninety-eight thousand, nine hundred two".