1020131514520 has 64 divisors (see below), whose sum is σ = 2304898740000. Its totient is φ = 406348766208.

The previous prime is 1020131514469. The next prime is 1020131514529. The reversal of 1020131514520 is 254151310201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020131514529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9847956 + ... + 9951004.

Almost surely, 2^{1020131514520} is an apocalyptic number.

1020131514520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1020131514520 is an abundant number, since it is smaller than the sum of its proper divisors (1284767225480).

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

1020131514520 is a wasteful number, since it uses less digits than its factorization.

1020131514520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104092 (or 104088 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 1020131514520 its reverse (254151310201), we get a palindrome (1274282824721).

The spelling of 1020131514520 in words is "one trillion, twenty billion, one hundred thirty-one million, five hundred fourteen thousand, five hundred twenty".