20939201203 has 2 divisors, whose sum is σ = 20939201204. Its totient is φ = 20939201202.

The previous prime is 20939201177. The next prime is 20939201233. The reversal of 20939201203 is 30210293902.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20939201203 - 2²¹ = 20937104051 is a prime.

It is a super-3 number, since 3×20939201203³ (a number of 32 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (20939201233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10469600601 + 10469600602.

It is an arithmetic number, because the mean of its divisors is an integer number (10469600602).

Almost surely, 2^20939201203 is an apocalyptic number.

20939201203 is a deficient number, since it is larger than the sum of its proper divisors (1).

20939201203 is an equidigital number, since it uses as much as digits as its factorization.

20939201203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The spelling of 20939201203 in words is "twenty billion, nine hundred thirty-nine million, two hundred one thousand, two hundred three".