20110620117 has 32 divisors (see below), whose sum is σ = 31449733120. Its totient is φ = 11193577920.

The previous prime is 20110620059. The next prime is 20110620121. The reversal of 20110620117 is 71102601102.

It is a happy number.

It is not a de Polignac number, because 20110620117 - 2⁸ = 20110619861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20110620093 and 20110620102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20110620017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55734 + ... + 208152.

It is an arithmetic number, because the mean of its divisors is an integer number (982804160).

Almost surely, 2^20110620117 is an apocalyptic number.

It is an amenable number.

20110620117 is a deficient number, since it is larger than the sum of its proper divisors (11339113003).

20110620117 is a wasteful number, since it uses less digits than its factorization.

20110620117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152593.

The product of its (nonzero) digits is 168, while the sum is 21.

The spelling of 20110620117 in words is "twenty billion, one hundred ten million, six hundred twenty thousand, one hundred seventeen".