20541106136 has 16 divisors (see below), whose sum is σ = 38571474240. Its totient is φ = 10255379680.

The previous prime is 20541106109. The next prime is 20541106139. The reversal of 20541106136 is 63160114502.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20541106099 and 20541106108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20541106139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1890920 + ... + 1901751.

It is an arithmetic number, because the mean of its divisors is an integer number (2410717140).

Almost surely, 2^20541106136 is an apocalyptic number.

It is an amenable number.

20541106136 is a deficient number, since it is larger than the sum of its proper divisors (18030368104).

20541106136 is a wasteful number, since it uses less digits than its factorization.

20541106136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793354 (or 3793350 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 20541106136 in words is "twenty billion, five hundred forty-one million, one hundred six thousand, one hundred thirty-six".