20315262303530 has 32 divisors (see below), whose sum is σ = 36698784080400. Its totient is φ = 8096926351360.

The previous prime is 20315262303529. The next prime is 20315262303653. The reversal of 20315262303530 is 3530326251302.

It can be written as a sum of positive squares in 8 ways, for example, as 11240268727801 + 9074993575729 = 3352651^2 + 3012473^2 .

It is a super-2 number, since 2×20315262303530² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104010122 + ... + 104205258.

Almost surely, 2^{20315262303530} is an apocalyptic number.

20315262303530 is a deficient number, since it is larger than the sum of its proper divisors (16383521776870).

20315262303530 is a wasteful number, since it uses less digits than its factorization.

20315262303530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232474.

The product of its (nonzero) digits is 97200, while the sum is 35.

Adding to 20315262303530 its reverse (3530326251302), we get a palindrome (23845588554832).

The spelling of 20315262303530 in words is "twenty trillion, three hundred fifteen billion, two hundred sixty-two million, three hundred three thousand, five hundred thirty".