20022121620619 has 2 divisors, whose sum is σ = 20022121620620. Its totient is φ = 20022121620618.

The previous prime is 20022121620583. The next prime is 20022121620667. The reversal of 20022121620619 is 91602612122002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20022121620619 - 2¹¹ = 20022121618571 is a prime.

It is a super-2 number, since 2×20022121620619² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20022121690619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011060810309 + 10011060810310.

It is an arithmetic number, because the mean of its divisors is an integer number (10011060810310).

Almost surely, 2^{20022121620619} is an apocalyptic number.

20022121620619 is a deficient number, since it is larger than the sum of its proper divisors (1).

20022121620619 is an equidigital number, since it uses as much as digits as its factorization.

20022121620619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 20022121620619 in words is "twenty trillion, twenty-two billion, one hundred twenty-one million, six hundred twenty thousand, six hundred nineteen".