20675902223 has 2 divisors, whose sum is σ = 20675902224. Its totient is φ = 20675902222.

The previous prime is 20675902171. The next prime is 20675902349. The reversal of 20675902223 is 32220957602.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20675902223 - 2¹² = 20675898127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20675907223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10337951111 + 10337951112.

It is an arithmetic number, because the mean of its divisors is an integer number (10337951112).

Almost surely, 2^20675902223 is an apocalyptic number.

20675902223 is a deficient number, since it is larger than the sum of its proper divisors (1).

20675902223 is an equidigital number, since it uses as much as digits as its factorization.

20675902223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 38.

The spelling of 20675902223 in words is "twenty billion, six hundred seventy-five million, nine hundred two thousand, two hundred twenty-three".