20212200331969 has 2 divisors, whose sum is σ = 20212200331970. Its totient is φ = 20212200331968.

The previous prime is 20212200331957. The next prime is 20212200332011. The reversal of 20212200331969 is 96913300221202.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13377050226225 + 6835150105744 = 3657465^2 + 2614412^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212200331969 - 2¹⁵ = 20212200299201 is a prime.

It is a super-2 number, since 2×20212200331969² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20212200331919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10106100165984 + 10106100165985.

It is an arithmetic number, because the mean of its divisors is an integer number (10106100165985).

Almost surely, 2^{20212200331969} is an apocalyptic number.

It is an amenable number.

20212200331969 is a deficient number, since it is larger than the sum of its proper divisors (1).

20212200331969 is an equidigital number, since it uses as much as digits as its factorization.

20212200331969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 40.

The spelling of 20212200331969 in words is "twenty trillion, two hundred twelve billion, two hundred million, three hundred thirty-one thousand, nine hundred sixty-nine".