20200122210953 has 2 divisors, whose sum is σ = 20200122210954. Its totient is φ = 20200122210952.

The previous prime is 20200122210943. The next prime is 20200122211037. The reversal of 20200122210953 is 35901222100202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17442091435129 + 2758030775824 = 4176373^2 + 1660732^2 .

It is a cyclic number.

It is not a de Polignac number, because 20200122210953 - 2⁴ = 20200122210937 is a prime.

It is not a weakly prime, because it can be changed into another prime (20200122210913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10100061105476 + 10100061105477.

It is an arithmetic number, because the mean of its divisors is an integer number (10100061105477).

Almost surely, 2^{20200122210953} is an apocalyptic number.

It is an amenable number.

20200122210953 is a deficient number, since it is larger than the sum of its proper divisors (1).

20200122210953 is an equidigital number, since it uses as much as digits as its factorization.

20200122210953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 29.

The spelling of 20200122210953 in words is "twenty trillion, two hundred billion, one hundred twenty-two million, two hundred ten thousand, nine hundred fifty-three".