20002201988 has 12 divisors (see below), whose sum is σ = 36525760320. Its totient is φ = 9566270472.

The previous prime is 20002201963. The next prime is 20002202021. The reversal of 20002201988 is 88910220002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108707528 + ... + 108707711.

It is an arithmetic number, because the mean of its divisors is an integer number (3043813360).

Almost surely, 2^20002201988 is an apocalyptic number.

It is an amenable number.

20002201988 is a deficient number, since it is larger than the sum of its proper divisors (16523558332).

20002201988 is a wasteful number, since it uses less digits than its factorization.

20002201988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217415266 (or 217415264 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The spelling of 20002201988 in words is "twenty billion, two million, two hundred one thousand, nine hundred eighty-eight".