20011048939 has 16 divisors (see below), whose sum is σ = 23343344640. Its totient is φ = 16799296320.

The previous prime is 20011048931. The next prime is 20011048949. The reversal of 20011048939 is 93984011002.

It is a cyclic number.

It is not a de Polignac number, because 20011048939 - 2³ = 20011048931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20011048898 and 20011048907.

It is not an unprimeable number, because it can be changed into a prime (20011048931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22527 + ... + 201319.

It is an arithmetic number, because the mean of its divisors is an integer number (1458959040).

Almost surely, 2^20011048939 is an apocalyptic number.

20011048939 is a deficient number, since it is larger than the sum of its proper divisors (3332295701).

20011048939 is a wasteful number, since it uses less digits than its factorization.

20011048939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179130.

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 20011048939 in words is "twenty billion, eleven million, forty-eight thousand, nine hundred thirty-nine".