10020255513 has 8 divisors (see below), whose sum is σ = 13450008000. Its totient is φ = 6635336688.

The previous prime is 10020255503. The next prime is 10020255521. The reversal of 10020255513 is 31555202001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10020255513 - 2⁶ = 10020255449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10020255503) 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, 11207893 + ... + 11208786.

It is an arithmetic number, because the mean of its divisors is an integer number (1681251000).

Almost surely, 2^10020255513 is an apocalyptic number.

It is an amenable number.

10020255513 is a deficient number, since it is larger than the sum of its proper divisors (3429752487).

10020255513 is a wasteful number, since it uses less digits than its factorization.

10020255513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22416831.

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 10020255513 its reverse (31555202001), we get a palindrome (41575457514).

The spelling of 10020255513 in words is "ten billion, twenty million, two hundred fifty-five thousand, five hundred thirteen".