10529820020 has 24 divisors (see below), whose sum is σ = 22141711368. Its totient is φ = 4206387200.

The previous prime is 10529820013. The next prime is 10529820023. The reversal of 10529820020 is 2002892501.

It can be written as a sum of positive squares in 4 ways, for example, as 729216016 + 9800604004 = 27004^2 + 98998^2 .

It is a super-2 number, since 2×10529820020² (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 (10529820023) 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, 330701 + ... + 361140.

It is an arithmetic number, because the mean of its divisors is an integer number (922571307).

Almost surely, 2^10529820020 is an apocalyptic number.

10529820020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10529820020 is an abundant number, since it is smaller than the sum of its proper divisors (11611891348).

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

10529820020 is a wasteful number, since it uses less digits than its factorization.

10529820020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 692611 (or 692609 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 29.

The spelling of 10529820020 in words is "ten billion, five hundred twenty-nine million, eight hundred twenty thousand, twenty".