20300120121320 has 64 divisors (see below), whose sum is σ = 49328097955920. Its totient is φ = 7474195390464.

The previous prime is 20300120121313. The next prime is 20300120121331. The reversal of 20300120121320 is 2312102100302.

It can be written as a sum of positive squares in 8 ways, for example, as 6640753765156 + 13659366356164 = 2576966^2 + 3695858^2 .

It is a super-2 number, since 2×20300120121320² (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, 55112039 + ... + 55479158.

Almost surely, 2^{20300120121320} is an apocalyptic number.

20300120121320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20300120121320 is an abundant number, since it is smaller than the sum of its proper divisors (29027977834600).

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

20300120121320 is a wasteful number, since it uses less digits than its factorization.

20300120121320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110591574 (or 110591570 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 20300120121320 its reverse (2312102100302), we get a palindrome (22612222221622).

The spelling of 20300120121320 in words is "twenty trillion, three hundred billion, one hundred twenty million, one hundred twenty-one thousand, three hundred twenty".