10520000213 has 4 divisors (see below), whose sum is σ = 10618318080. Its totient is φ = 10421682348.

The previous prime is 10520000203. The next prime is 10520000261. The reversal of 10520000213 is 31200002501.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10520000213 - 2⁸ = 10519999957 is a prime.

It is a super-2 number, since 2×10520000213² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10520000203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49158773 + ... + 49158986.

It is an arithmetic number, because the mean of its divisors is an integer number (2654579520).

Almost surely, 2^10520000213 is an apocalyptic number.

It is an amenable number.

10520000213 is a deficient number, since it is larger than the sum of its proper divisors (98317867).

10520000213 is an equidigital number, since it uses as much as digits as its factorization.

10520000213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98317866.

The product of its (nonzero) digits is 60, while the sum is 14.

Adding to 10520000213 its reverse (31200002501), we get a palindrome (41720002714).

The spelling of 10520000213 in words is "ten billion, five hundred twenty million, two hundred thirteen", and thus it is an aban number.