20712926207 has 16 divisors (see below), whose sum is σ = 21743624448. Its totient is φ = 19693375680.

The previous prime is 20712926203. The next prime is 20712926219. The reversal of 20712926207 is 70262921702.

It is a cyclic number.

It is not a de Polignac number, because 20712926207 - 2² = 20712926203 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20712926203) 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, 3442832 + ... + 3448842.

It is an arithmetic number, because the mean of its divisors is an integer number (1358976528).

Almost surely, 2^20712926207 is an apocalyptic number.

20712926207 is a deficient number, since it is larger than the sum of its proper divisors (1030698241).

20712926207 is a wasteful number, since it uses less digits than its factorization.

20712926207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6910.

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 20712926207 in words is "twenty billion, seven hundred twelve million, nine hundred twenty-six thousand, two hundred seven".