20033383634 has 12 divisors (see below), whose sum is σ = 33030248622. Its totient is φ = 9106083360.

The previous prime is 20033383621. The next prime is 20033383651. The reversal of 20033383634 is 43638333002.

It can be written as a sum of positive squares in only one way, i.e., 19280155609 + 753228025 = 138853^2 + 27445^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20033383594 and 20033383603.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41391047 + ... + 41391530.

Almost surely, 2^20033383634 is an apocalyptic number.

20033383634 is a deficient number, since it is larger than the sum of its proper divisors (12996864988).

20033383634 is a wasteful number, since it uses less digits than its factorization.

20033383634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82782601 (or 82782590 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 35.

The spelling of 20033383634 in words is "twenty billion, thirty-three million, three hundred eighty-three thousand, six hundred thirty-four".