10520797652 has 24 divisors (see below), whose sum is σ = 18582046056. Its totient is φ = 5211680768.

The previous prime is 10520797643. The next prime is 10520797657. The reversal of 10520797652 is 25679702501.

It can be written as a sum of positive squares in 4 ways, for example, as 537590596 + 9983207056 = 23186^2 + 99916^2 .

It is a super-2 number, since 2×10520797652² (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 (10520797657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2039108 + ... + 2044260.

It is an arithmetic number, because the mean of its divisors is an integer number (774251919).

Almost surely, 2^10520797652 is an apocalyptic number.

It is an amenable number.

10520797652 is a deficient number, since it is larger than the sum of its proper divisors (8061248404).

10520797652 is a wasteful number, since it uses less digits than its factorization.

10520797652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9787 (or 9785 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 44.

The spelling of 10520797652 in words is "ten billion, five hundred twenty million, seven hundred ninety-seven thousand, six hundred fifty-two".