2647481020 has 24 divisors (see below), whose sum is σ = 5560703568. Its totient is φ = 1058803200.

The previous prime is 2647480993. The next prime is 2647481029. The reversal of 2647481020 is 201847462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2647481029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174540 + ... + 189100.

It is an arithmetic number, because the mean of its divisors is an integer number (231695982).

Almost surely, 2^2647481020 is an apocalyptic number.

2647481020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2647481020 is an abundant number, since it is smaller than the sum of its proper divisors (2913222548).

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

2647481020 is a wasteful number, since it uses less digits than its factorization.

2647481020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23661 (or 23659 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 2647481020 is about 51453.6783913454. The cubic root of 2647481020 is about 1383.3888949797.

The spelling of 2647481020 in words is "two billion, six hundred forty-seven million, four hundred eighty-one thousand, twenty".