20607288013 has 16 divisors (see below), whose sum is σ = 22550411520. Its totient is φ = 18716952384.

The previous prime is 20607288007. The next prime is 20607288029. The reversal of 20607288013 is 31088270602.

It is a de Polignac number, because none of the positive numbers 2^k-20607288013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20607288043) 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, 266670 + ... + 335152.

It is an arithmetic number, because the mean of its divisors is an integer number (1409400720).

Almost surely, 2^20607288013 is an apocalyptic number.

It is an amenable number.

20607288013 is a deficient number, since it is larger than the sum of its proper divisors (1943123507).

20607288013 is a wasteful number, since it uses less digits than its factorization.

20607288013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68868.

The product of its (nonzero) digits is 32256, while the sum is 37.

The spelling of 20607288013 in words is "twenty billion, six hundred seven million, two hundred eighty-eight thousand, thirteen".