20200122211963 has 2 divisors, whose sum is σ = 20200122211964. Its totient is φ = 20200122211962.

The previous prime is 20200122211933. The next prime is 20200122212009. The reversal of 20200122211963 is 36911222100202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20200122211963 - 2¹⁷ = 20200122080891 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200122211903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100061105981 + 10100061105982.

It is an arithmetic number, because the mean of its divisors is an integer number (10100061105982).

Almost surely, 2^{20200122211963} is an apocalyptic number.

20200122211963 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200122211963 is an equidigital number, since it uses as much as digits as its factorization.

20200122211963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 20200122211963 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, two hundred eleven thousand, nine hundred sixty-three".