20220220220947 has 2 divisors, whose sum is σ = 20220220220948. Its totient is φ = 20220220220946.

The previous prime is 20220220220939. The next prime is 20220220220969. The reversal of 20220220220947 is 74902202202202.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20220220220947 - 2³ = 20220220220939 is a prime.

It is not a weakly prime, because it can be changed into another prime (20220220220987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110110110473 + 10110110110474.

It is an arithmetic number, because the mean of its divisors is an integer number (10110110110474).

Almost surely, 2^{20220220220947} is an apocalyptic number.

20220220220947 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220220220947 is an equidigital number, since it uses as much as digits as its factorization.

20220220220947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 20220220220947 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, two hundred twenty thousand, nine hundred forty-seven".