20522210707 has 32 divisors (see below), whose sum is σ = 22951526400. Its totient is φ = 18270813600.

The previous prime is 20522210699. The next prime is 20522210711. The reversal of 20522210707 is 70701222502.

It is a cyclic number.

It is not a de Polignac number, because 20522210707 - 2³ = 20522210699 is a prime.

It is a super-2 number, since 2×20522210707² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20522210717) 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, 3623644 + ... + 3629302.

It is an arithmetic number, because the mean of its divisors is an integer number (717235200).

Almost surely, 2^20522210707 is an apocalyptic number.

20522210707 is a deficient number, since it is larger than the sum of its proper divisors (2429315693).

20522210707 is a wasteful number, since it uses less digits than its factorization.

20522210707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887.

The product of its (nonzero) digits is 3920, while the sum is 28.

The spelling of 20522210707 in words is "twenty billion, five hundred twenty-two million, two hundred ten thousand, seven hundred seven".