20620333433 has 64 divisors (see below), whose sum is σ = 26277127680. Its totient is φ = 15788390400.

The previous prime is 20620333423. The next prime is 20620333469. The reversal of 20620333433 is 33433302602.

It is a cyclic number.

It is not a de Polignac number, because 20620333433 - 2⁶ = 20620333369 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20620333396 and 20620333405.

It is not an unprimeable number, because it can be changed into a prime (20620333403) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21912743 + ... + 21913683.

It is an arithmetic number, because the mean of its divisors is an integer number (410580120).

Almost surely, 2^20620333433 is an apocalyptic number.

It is an amenable number.

20620333433 is a deficient number, since it is larger than the sum of its proper divisors (5656794247).

20620333433 is a wasteful number, since it uses less digits than its factorization.

20620333433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138.

The product of its (nonzero) digits is 23328, while the sum is 29.

The spelling of 20620333433 in words is "twenty billion, six hundred twenty million, three hundred thirty-three thousand, four hundred thirty-three".