20385537000328 has 8 divisors (see below), whose sum is σ = 38222881875630. Its totient is φ = 10192768500160.

The previous prime is 20385537000193. The next prime is 20385537000329. The reversal of 20385537000328 is 82300073558302.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 16524241260004 + 3861295740324 = 4065002^2 + 1965018^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (20385537000329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274096062513 + ... + 1274096062528.

Almost surely, 2^{20385537000328} is an apocalyptic number.

It is an amenable number.

20385537000328 is a deficient number, since it is larger than the sum of its proper divisors (17837344875302).

20385537000328 is a wasteful number, since it uses less digits than its factorization.

20385537000328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2548192125047 (or 2548192125043 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 46.

The spelling of 20385537000328 in words is "twenty trillion, three hundred eighty-five billion, five hundred thirty-seven million, three hundred twenty-eight", and thus it is an aban number.