10315201520 has 160 divisors (see below), whose sum is σ = 27497740032. Its totient is φ = 3564896256.

The previous prime is 10315201447. The next prime is 10315201541. The reversal of 10315201520 is 2510251301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 10315201492 and 10315201501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3410729 + ... + 3413751.

Almost surely, 2^10315201520 is an apocalyptic number.

10315201520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10315201520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13748870016).

10315201520 is an abundant number, since it is smaller than the sum of its proper divisors (17182538512).

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

10315201520 is a wasteful number, since it uses less digits than its factorization.

10315201520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 10315201520 its reverse (2510251301), we get a palindrome (12825452821).

The spelling of 10315201520 in words is "ten billion, three hundred fifteen million, two hundred one thousand, five hundred twenty".