20100122983 has 2 divisors, whose sum is σ = 20100122984. Its totient is φ = 20100122982.

The previous prime is 20100122969. The next prime is 20100123007. The reversal of 20100122983 is 38922100102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20100122983 - 2⁵ = 20100122951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20100122963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10050061491 + 10050061492.

It is an arithmetic number, because the mean of its divisors is an integer number (10050061492).

Almost surely, 2^20100122983 is an apocalyptic number.

20100122983 is a deficient number, since it is larger than the sum of its proper divisors (1).

20100122983 is an equidigital number, since it uses as much as digits as its factorization.

20100122983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 28.

The spelling of 20100122983 in words is "twenty billion, one hundred million, one hundred twenty-two thousand, nine hundred eighty-three".