20014931249 has 8 divisors (see below), whose sum is σ = 21229404768. Its totient is φ = 18804582720.

The previous prime is 20014931197. The next prime is 20014931267. The reversal of 20014931249 is 94213941002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20014931249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20014931149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1021247 + ... + 1040660.

It is an arithmetic number, because the mean of its divisors is an integer number (2653675596).

Almost surely, 2^20014931249 is an apocalyptic number.

It is an amenable number.

20014931249 is a deficient number, since it is larger than the sum of its proper divisors (1214473519).

20014931249 is a wasteful number, since it uses less digits than its factorization.

20014931249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062495.

The product of its (nonzero) digits is 15552, while the sum is 35.

The spelling of 20014931249 in words is "twenty billion, fourteen million, nine hundred thirty-one thousand, two hundred forty-nine".