20159567007 has 16 divisors (see below), whose sum is σ = 27854559840. Its totient is φ = 12953751552.

The previous prime is 20159566993. The next prime is 20159567023. The reversal of 20159567007 is 70076595102.

It is not a de Polignac number, because 20159567007 - 2⁴ = 20159566991 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20159567007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20159567027) 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, 150598 + ... + 250995.

It is an arithmetic number, because the mean of its divisors is an integer number (1740909990).

Almost surely, 2^20159567007 is an apocalyptic number.

20159567007 is a deficient number, since it is larger than the sum of its proper divisors (7694992833).

20159567007 is a wasteful number, since it uses less digits than its factorization.

20159567007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402202.

The product of its (nonzero) digits is 132300, while the sum is 42.

The spelling of 20159567007 in words is "twenty billion, one hundred fifty-nine million, five hundred sixty-seven thousand, seven".