20114571188 has 12 divisors (see below), whose sum is σ = 35202512772. Its totient is φ = 10056710400.

The previous prime is 20114571167. The next prime is 20114571199. The reversal of 20114571188 is 88117541102.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3614654884 + 16499916304 = 60122^2 + 128452^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59645 + ... + 209252.

It is an arithmetic number, because the mean of its divisors is an integer number (2933542731).

Almost surely, 2^20114571188 is an apocalyptic number.

It is an amenable number.

20114571188 is a deficient number, since it is larger than the sum of its proper divisors (15087941584).

20114571188 is a wasteful number, since it uses less digits than its factorization.

20114571188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287602 (or 287600 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 38.

The spelling of 20114571188 in words is "twenty billion, one hundred fourteen million, five hundred seventy-one thousand, one hundred eighty-eight".