20120110998 has 32 divisors (see below), whose sum is σ = 43626492000. Its totient is φ = 6149250816.

The previous prime is 20120110981. The next prime is 20120111003. The reversal of 20120110998 is 89901102102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 853983 + ... + 877226.

It is an arithmetic number, because the mean of its divisors is an integer number (1363327875).

Almost surely, 2^20120110998 is an apocalyptic number.

20120110998 is an abundant number, since it is smaller than the sum of its proper divisors (23506381002).

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

20120110998 is a wasteful number, since it uses less digits than its factorization.

20120110998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1731376.

The product of its (nonzero) digits is 2592, while the sum is 33.

The spelling of 20120110998 in words is "twenty billion, one hundred twenty million, one hundred ten thousand, nine hundred ninety-eight".