20301220121120 has 24 divisors (see below), whose sum is σ = 47961632536524. Its totient is φ = 8120488048384.

The previous prime is 20301220121099. The next prime is 20301220121251. The reversal of 20301220121120 is 2112102210302.

It can be written as a sum of positive squares in 2 ways, for example, as 18168019660816 + 2133200460304 = 4262396^2 + 1460548^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63441312719 + ... + 63441313038.

Almost surely, 2^{20301220121120} is an apocalyptic number.

20301220121120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301220121120 is an abundant number, since it is smaller than the sum of its proper divisors (27660412415404).

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

20301220121120 is a wasteful number, since it uses less digits than its factorization.

20301220121120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126882625772 (or 126882625764 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20301220121120 its reverse (2112102210302), we get a palindrome (22413322331422).

The spelling of 20301220121120 in words is "twenty trillion, three hundred one billion, two hundred twenty million, one hundred twenty-one thousand, one hundred twenty".