27132020784 has 60 divisors (see below), whose sum is σ = 82834886472. Its totient is φ = 8221824000.

The previous prime is 27132020777. The next prime is 27132020789. The reversal of 27132020784 is 48702023172.

It is a super-2 number, since 2×27132020784² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (27132020789) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 8562817 + ... + 8565984.

Almost surely, 2^27132020784 is an apocalyptic number.

27132020784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27132020784 is an abundant number, since it is smaller than the sum of its proper divisors (55702865688).

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

27132020784 is a wasteful number, since it uses less digits than its factorization.

27132020784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17128826 (or 17128817 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The spelling of 27132020784 in words is "twenty-seven billion, one hundred thirty-two million, twenty thousand, seven hundred eighty-four".