20020033668 has 24 divisors (see below), whose sum is σ = 46751393920. Its totient is φ = 6667918560.

The previous prime is 20020033651. The next prime is 20020033723. The reversal of 20020033668 is 86633002002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 662863 + ... + 692406.

Almost surely, 2^20020033668 is an apocalyptic number.

It is an amenable number.

20020033668 is an abundant number, since it is smaller than the sum of its proper divisors (26731360252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20020033668 is a wasteful number, since it uses less digits than its factorization.

20020033668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356507 (or 1356505 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The spelling of 20020033668 in words is "twenty billion, twenty million, thirty-three thousand, six hundred sixty-eight".