27264446020 has 96 divisors (see below), whose sum is σ = 66124800000. Its totient is φ = 9249738624.

The previous prime is 27264445993. The next prime is 27264446051. The reversal of 27264446020 is 2064446272.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5451481 + ... + 5456479.

It is an arithmetic number, because the mean of its divisors is an integer number (688800000).

Almost surely, 2^27264446020 is an apocalyptic number.

27264446020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27264446020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33062400000).

27264446020 is an abundant number, since it is smaller than the sum of its proper divisors (38860353980).

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

27264446020 is a wasteful number, since it uses less digits than its factorization.

27264446020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417 (or 5415 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 27264446020 in words is "twenty-seven billion, two hundred sixty-four million, four hundred forty-six thousand, twenty".