20011201198 has 16 divisors (see below), whose sum is σ = 32085831456. Its totient is φ = 9337144960.

The previous prime is 20011201163. The next prime is 20011201207. The reversal of 20011201198 is 89110211002.

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, 5303311 + ... + 5307082.

It is an arithmetic number, because the mean of its divisors is an integer number (2005364466).

Almost surely, 2^20011201198 is an apocalyptic number.

20011201198 is a deficient number, since it is larger than the sum of its proper divisors (12074630258).

20011201198 is a wasteful number, since it uses less digits than its factorization.

20011201198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610459.

The product of its (nonzero) digits is 288, while the sum is 25.

The spelling of 20011201198 in words is "twenty billion, eleven million, two hundred one thousand, one hundred ninety-eight".