20000387188852 has 48 divisors (see below), whose sum is σ = 42203321453440. Its totient is φ = 8101703918592.

The previous prime is 20000387188849. The next prime is 20000387188861. The reversal of 20000387188852 is 25888178300002.

It is a super-2 number, since 2×20000387188852² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20000387188852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43181553 + ... + 43642264.

Almost surely, 2^{20000387188852} is an apocalyptic number.

It is an amenable number.

20000387188852 is an abundant number, since it is smaller than the sum of its proper divisors (22202934264588).

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

20000387188852 is a wasteful number, since it uses less digits than its factorization.

20000387188852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86824280 (or 86824278 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 52.

The spelling of 20000387188852 in words is "twenty trillion, three hundred eighty-seven million, one hundred eighty-eight thousand, eight hundred fifty-two".