20013121241304 has 32 divisors (see below), whose sum is σ = 50098896679920. Its totient is φ = 6662227936896.

The previous prime is 20013121241299. The next prime is 20013121241317. The reversal of 20013121241304 is 40314212131002.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550761259 + ... + 550797594.

Almost surely, 2^{20013121241304} is an apocalyptic number.

20013121241304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20013121241304 is an abundant number, since it is smaller than the sum of its proper divisors (30085775438616).

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

20013121241304 is a wasteful number, since it uses less digits than its factorization.

20013121241304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101559619 (or 1101559615 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20013121241304 its reverse (40314212131002), we get a palindrome (60327333372306).

The spelling of 20013121241304 in words is "twenty trillion, thirteen billion, one hundred twenty-one million, two hundred forty-one thousand, three hundred four".