20301220120331 has 16 divisors (see below), whose sum is σ = 21534666218208. Its totient is φ = 19072140902400.

The previous prime is 20301220120267. The next prime is 20301220120351. The reversal of 20301220120331 is 13302102210302.

It is a cyclic number.

It is not a de Polignac number, because 20301220120331 - 2⁶ = 20301220120267 is a prime.

It is a super-2 number, since 2×20301220120331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20301220120351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143136491 + ... + 143278251.

It is an arithmetic number, because the mean of its divisors is an integer number (1345916638638).

Almost surely, 2^{20301220120331} is an apocalyptic number.

20301220120331 is a deficient number, since it is larger than the sum of its proper divisors (1233446097877).

20301220120331 is a wasteful number, since it uses less digits than its factorization.

20301220120331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157102.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 20301220120331 its reverse (13302102210302), we get a palindrome (33603322330633).

The spelling of 20301220120331 in words is "twenty trillion, three hundred one billion, two hundred twenty million, one hundred twenty thousand, three hundred thirty-one".