20122232285929 has 2 divisors, whose sum is σ = 20122232285930. Its totient is φ = 20122232285928.

The previous prime is 20122232285887. The next prime is 20122232286067. The reversal of 20122232285929 is 92958223222102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13514247925929 + 6607984360000 = 3676173^2 + 2570600^2 .

It is a cyclic number.

It is not a de Polignac number, because 20122232285929 - 2³³ = 20113642351337 is a prime.

It is a super-2 number, since 2×20122232285929² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20122232225929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061116142964 + 10061116142965.

It is an arithmetic number, because the mean of its divisors is an integer number (10061116142965).

Almost surely, 2^{20122232285929} is an apocalyptic number.

It is an amenable number.

20122232285929 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122232285929 is an equidigital number, since it uses as much as digits as its factorization.

20122232285929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 20122232285929 in words is "twenty trillion, one hundred twenty-two billion, two hundred thirty-two million, two hundred eighty-five thousand, nine hundred twenty-nine".