20415136010 has 16 divisors (see below), whose sum is σ = 36781898472. Its totient is φ = 8158353600.

The previous prime is 20415135991. The next prime is 20415136019. The reversal of 20415136010 is 1063151402.

It can be written as a sum of positive squares in 4 ways, for example, as 20217142969 + 197993041 = 142187^2 + 14071^2 .

It is not an unprimeable number, because it can be changed into a prime (20415136019) 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, 951461 + ... + 972680.

Almost surely, 2^20415136010 is an apocalyptic number.

20415136010 is a deficient number, since it is larger than the sum of its proper divisors (16366762462).

20415136010 is a wasteful number, since it uses less digits than its factorization.

20415136010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1925209.

The product of its (nonzero) digits is 720, while the sum is 23.

Adding to 20415136010 its reverse (1063151402), we get a palindrome (21478287412).

The spelling of 20415136010 in words is "twenty billion, four hundred fifteen million, one hundred thirty-six thousand, ten".