220020188387 has 8 divisors (see below), whose sum is σ = 220818470304. Its totient is φ = 219222514368.

The previous prime is 220020188383. The next prime is 220020188389. The reversal of 220020188387 is 783881020022.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220020188387 - 2² = 220020188383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220020188383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 579578 + ... + 880880.

It is an arithmetic number, because the mean of its divisors is an integer number (27602308788).

Almost surely, 2^220020188387 is an apocalyptic number.

220020188387 is a deficient number, since it is larger than the sum of its proper divisors (798281917).

220020188387 is a wasteful number, since it uses less digits than its factorization.

220020188387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303949.

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 220020188387 in words is "two hundred twenty billion, twenty million, one hundred eighty-eight thousand, three hundred eighty-seven".