20261726007 has 32 divisors (see below), whose sum is σ = 28817725440. Its totient is φ = 12635710560.

The previous prime is 20261725993. The next prime is 20261726021. The reversal of 20261726007 is 70062716202.

It is an interprime number because it is at equal distance from previous prime (20261725993) and next prime (20261726021).

It is not a de Polignac number, because 20261726007 - 2¹¹ = 20261723959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20261726047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 626832 + ... + 658362.

It is an arithmetic number, because the mean of its divisors is an integer number (900553920).

Almost surely, 2^20261726007 is an apocalyptic number.

20261726007 is a deficient number, since it is larger than the sum of its proper divisors (8555999433).

20261726007 is a wasteful number, since it uses less digits than its factorization.

20261726007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31763.

The product of its (nonzero) digits is 14112, while the sum is 33.

The spelling of 20261726007 in words is "twenty billion, two hundred sixty-one million, seven hundred twenty-six thousand, seven".