20010222001031 has 2 divisors, whose sum is σ = 20010222001032. Its totient is φ = 20010222001030.

The previous prime is 20010222000961. The next prime is 20010222001039. The reversal of 20010222001031 is 13010022201002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20010222001031 is a prime.

It is a super-2 number, since 2×20010222001031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20010222000997 and 20010222001015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20010222001039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10005111000515 + 10005111000516.

It is an arithmetic number, because the mean of its divisors is an integer number (10005111000516).

Almost surely, 2^{20010222001031} is an apocalyptic number.

20010222001031 is a deficient number, since it is larger than the sum of its proper divisors (1).

20010222001031 is an equidigital number, since it uses as much as digits as its factorization.

20010222001031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 20010222001031 its reverse (13010022201002), we get a palindrome (33020244202033).

The spelling of 20010222001031 in words is "twenty trillion, ten billion, two hundred twenty-two million, one thousand, thirty-one".