20132312198 has 16 divisors (see below), whose sum is σ = 31269278880. Its totient is φ = 9709874496.

The previous prime is 20132312197. The next prime is 20132312219. The reversal of 20132312198 is 89121323102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132312197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101615 + ... + 224922.

It is an arithmetic number, because the mean of its divisors is an integer number (1954329930).

Almost surely, 2^20132312198 is an apocalyptic number.

20132312198 is a deficient number, since it is larger than the sum of its proper divisors (11136966682).

20132312198 is a wasteful number, since it uses less digits than its factorization.

20132312198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327631.

The product of its (nonzero) digits is 5184, while the sum is 32.

The spelling of 20132312198 in words is "twenty billion, one hundred thirty-two million, three hundred twelve thousand, one hundred ninety-eight".