20315040541002 has 40 divisors (see below), whose sum is σ = 45521017294500. Its totient is φ = 6771638779776.

The previous prime is 20315040540979. The next prime is 20315040541013. The reversal of 20315040541002 is 20014504051302.

20315040541002 is a `hidden beast` number, since 2 + 0 + 3 + 1 + 504 + 0 + 54 + 100 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13906492597881 + 6408547943121 = 3729141^2 + 2531511^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38055874 + ... + 38586002.

Almost surely, 2^{20315040541002} is an apocalyptic number.

20315040541002 is an abundant number, since it is smaller than the sum of its proper divisors (25205976753498).

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

20315040541002 is a wasteful number, since it uses less digits than its factorization.

20315040541002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766692 (or 766683 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 20315040541002 its reverse (20014504051302), we get a palindrome (40329544592304).

The spelling of 20315040541002 in words is "twenty trillion, three hundred fifteen billion, forty million, five hundred forty-one thousand, two".