20110044139 has 2 divisors, whose sum is σ = 20110044140. Its totient is φ = 20110044138.

The previous prime is 20110044079. The next prime is 20110044169. The reversal of 20110044139 is 93144001102.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20110044139 - 2¹⁵ = 20110011371 is a prime.

It is not a weakly prime, because it can be changed into another prime (20110044169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10055022069 + 10055022070.

It is an arithmetic number, because the mean of its divisors is an integer number (10055022070).

Almost surely, 2^20110044139 is an apocalyptic number.

20110044139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20110044139 is an equidigital number, since it uses as much as digits as its factorization.

20110044139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The spelling of 20110044139 in words is "twenty billion, one hundred ten million, forty-four thousand, one hundred thirty-nine".