20220220101923 has 2 divisors, whose sum is σ = 20220220101924. Its totient is φ = 20220220101922.

The previous prime is 20220220101877. The next prime is 20220220102031. The reversal of 20220220101923 is 32910102202202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20220220101923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20220220101892 and 20220220101901.

It is not a weakly prime, because it can be changed into another prime (20220220106923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10110110050961 + 10110110050962.

It is an arithmetic number, because the mean of its divisors is an integer number (10110110050962).

Almost surely, 2^{20220220101923} is an apocalyptic number.

20220220101923 is a deficient number, since it is larger than the sum of its proper divisors (1).

20220220101923 is an equidigital number, since it uses as much as digits as its factorization.

20220220101923 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 26.

The spelling of 20220220101923 in words is "twenty trillion, two hundred twenty billion, two hundred twenty million, one hundred one thousand, nine hundred twenty-three".