20000220201988 has 24 divisors (see below), whose sum is σ = 37695837174912. Its totient is φ = 9230108131104.

The previous prime is 20000220201851. The next prime is 20000220202033. The reversal of 20000220201988 is 88910202200002.

It is a happy number.

20000220201988 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 15254620 + ... + 16513747.

It is an arithmetic number, because the mean of its divisors is an integer number (1570659882288).

Almost surely, 2^{20000220201988} is an apocalyptic number.

It is an amenable number.

20000220201988 is a deficient number, since it is larger than the sum of its proper divisors (17695616972924).

20000220201988 is a wasteful number, since it uses less digits than its factorization.

20000220201988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31780491 (or 31780489 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 34.

The spelling of 20000220201988 in words is "twenty trillion, two hundred twenty million, two hundred one thousand, nine hundred eighty-eight".