20013726241210 has 32 divisors (see below), whose sum is σ = 38800552870800. Its totient is φ = 7388785571328.

The previous prime is 20013726241163. The next prime is 20013726241219. The reversal of 20013726241210 is 1214262731002.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 1998179401 + 20011728061809 = 44701^2 + 4473447^2 .

It is not an unprimeable number, because it can be changed into a prime (20013726241219) 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, 8279385 + ... + 10419964.

Almost surely, 2^{20013726241210} is an apocalyptic number.

20013726241210 is a deficient number, since it is larger than the sum of its proper divisors (18786826629590).

20013726241210 is a wasteful number, since it uses less digits than its factorization.

20013726241210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18707602.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 20013726241210 its reverse (1214262731002), we get a palindrome (21227988972212).

The spelling of 20013726241210 in words is "twenty trillion, thirteen billion, seven hundred twenty-six million, two hundred forty-one thousand, two hundred ten".