20032021996 has 12 divisors (see below), whose sum is σ = 40064044048. Its totient is φ = 8585152272.

The previous prime is 20032021969. The next prime is 20032022047. The reversal of 20032021996 is 69912023002.

20032021996 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 357714651 + ... + 357714706.

Almost surely, 2^20032021996 is an apocalyptic number.

It is an amenable number.

20032021996 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

20032021996 is a wasteful number, since it uses less digits than its factorization.

20032021996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715429368 (or 715429366 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

Adding to 20032021996 its reverse (69912023002), we get a palindrome (89944044998).

The spelling of 20032021996 in words is "twenty billion, thirty-two million, twenty-one thousand, nine hundred ninety-six".