20022120301031 has 4 divisors (see below), whose sum is σ = 20105894863200. Its totient is φ = 19938345738864.

The previous prime is 20022120301013. The next prime is 20022120301049. The reversal of 20022120301031 is 13010302122002.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20022120301013) and next prime (20022120301049).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20022120301031 is a prime.

It is a super-2 number, since 2×20022120301031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022120321031) 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 3 ways as a sum of consecutive naturals, for example, 41887280726 + ... + 41887281203.

It is an arithmetic number, because the mean of its divisors is an integer number (5026473715800).

Almost surely, 2^{20022120301031} is an apocalyptic number.

20022120301031 is a deficient number, since it is larger than the sum of its proper divisors (83774562169).

20022120301031 is an equidigital number, since it uses as much as digits as its factorization.

20022120301031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83774562168.

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

Adding to 20022120301031 its reverse (13010302122002), we get a palindrome (33032422423033).

The spelling of 20022120301031 in words is "twenty trillion, twenty-two billion, one hundred twenty million, three hundred one thousand, thirty-one".