20023121059 has 2 divisors, whose sum is σ = 20023121060. Its totient is φ = 20023121058.

The previous prime is 20023121039. The next prime is 20023121149. The reversal of 20023121059 is 95012132002.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20023121059 - 2⁹ = 20023120547 is a prime.

It is a super-3 number, since 3×20023121059³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20023121009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10011560529 + 10011560530.

It is an arithmetic number, because the mean of its divisors is an integer number (10011560530).

Almost surely, 2^20023121059 is an apocalyptic number.

20023121059 is a deficient number, since it is larger than the sum of its proper divisors (1).

20023121059 is an equidigital number, since it uses as much as digits as its factorization.

20023121059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The spelling of 20023121059 in words is "twenty billion, twenty-three million, one hundred twenty-one thousand, fifty-nine".