10565720022 has 64 divisors (see below), whose sum is σ = 24905696256. Its totient is φ = 2945928960.

The previous prime is 10565720021. The next prime is 10565720027. The reversal of 10565720022 is 22002756501.

It is a super-2 number, since 2×10565720022² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10565720021) 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, 248883 + ... + 288225.

It is an arithmetic number, because the mean of its divisors is an integer number (389151504).

Almost surely, 2^10565720022 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10565720022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12452848128).

10565720022 is an abundant number, since it is smaller than the sum of its proper divisors (14339976234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10565720022 is a wasteful number, since it uses less digits than its factorization.

10565720022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39685.

The product of its (nonzero) digits is 8400, while the sum is 30.

The spelling of 10565720022 in words is "ten billion, five hundred sixty-five million, seven hundred twenty thousand, twenty-two".