20633340741 has 16 divisors (see below), whose sum is σ = 29932803264. Its totient is φ = 12566536704.

The previous prime is 20633340737. The next prime is 20633340773. The reversal of 20633340741 is 14704333602.

It is not a de Polignac number, because 20633340741 - 2² = 20633340737 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20633340781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2723331 + ... + 2730896.

It is an arithmetic number, because the mean of its divisors is an integer number (1870800204).

Almost surely, 2^20633340741 is an apocalyptic number.

It is an amenable number.

20633340741 is a deficient number, since it is larger than the sum of its proper divisors (9299462523).

20633340741 is a wasteful number, since it uses less digits than its factorization.

20633340741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5454340.

The product of its (nonzero) digits is 36288, while the sum is 33.

The spelling of 20633340741 in words is "twenty billion, six hundred thirty-three million, three hundred forty thousand, seven hundred forty-one".