220626204451 has 2 divisors, whose sum is σ = 220626204452. Its totient is φ = 220626204450.

The previous prime is 220626204317. The next prime is 220626204473. The reversal of 220626204451 is 154402626022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-220626204451 is a prime.

It is a super-2 number, since 2×220626204451² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (220626214451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110313102225 + 110313102226.

It is an arithmetic number, because the mean of its divisors is an integer number (110313102226).

Almost surely, 2^220626204451 is an apocalyptic number.

220626204451 is a deficient number, since it is larger than the sum of its proper divisors (1).

220626204451 is an equidigital number, since it uses as much as digits as its factorization.

220626204451 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 220626204451 in words is "two hundred twenty billion, six hundred twenty-six million, two hundred four thousand, four hundred fifty-one".