27240020100 has 108 divisors (see below), whose sum is σ = 89094672576. Its totient is φ = 6948173760.

The previous prime is 27240020081. The next prime is 27240020117. The reversal of 27240020100 is 102004272.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 637272 + ... + 678671.

It is an arithmetic number, because the mean of its divisors is an integer number (824950672).

Almost surely, 2^27240020100 is an apocalyptic number.

27240020100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27240020100 is an abundant number, since it is smaller than the sum of its proper divisors (61854652476).

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

27240020100 is a wasteful number, since it uses less digits than its factorization.

27240020100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315986 (or 1315976 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

Adding to 27240020100 its reverse (102004272), we get a palindrome (27342024372).

The spelling of 27240020100 in words is "twenty-seven billion, two hundred forty million, twenty thousand, one hundred".