20333970859 has 2 divisors, whose sum is σ = 20333970860. Its totient is φ = 20333970858.

The previous prime is 20333970779. The next prime is 20333970907. The reversal of 20333970859 is 95807933302.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20333970859 - 2³³ = 11744036267 is a prime.

It is a super-2 number, since 2×20333970859² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20333940859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10166985429 + 10166985430.

It is an arithmetic number, because the mean of its divisors is an integer number (10166985430).

Almost surely, 2^20333970859 is an apocalyptic number.

20333970859 is a deficient number, since it is larger than the sum of its proper divisors (1).

20333970859 is an equidigital number, since it uses as much as digits as its factorization.

20333970859 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The spelling of 20333970859 in words is "twenty billion, three hundred thirty-three million, nine hundred seventy thousand, eight hundred fifty-nine".