20013101092 has 6 divisors (see below), whose sum is σ = 35022926918. Its totient is φ = 10006550544.

The previous prime is 20013101081. The next prime is 20013101099. The reversal of 20013101092 is 29010131002.

It can be written as a sum of positive squares in only one way, i.e., 19877052196 + 136048896 = 140986^2 + 11664^2 .

It is a super-2 number, since 2×20013101092² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20013101099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2501637633 + ... + 2501637640.

Almost surely, 2^20013101092 is an apocalyptic number.

It is an amenable number.

20013101092 is a deficient number, since it is larger than the sum of its proper divisors (15009825826).

20013101092 is a wasteful number, since it uses less digits than its factorization.

20013101092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5003275277 (or 5003275275 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 20013101092 its reverse (29010131002), we get a palindrome (49023232094).

The spelling of 20013101092 in words is "twenty billion, thirteen million, one hundred one thousand, ninety-two".