647114020 has 48 divisors (see below), whose sum is σ = 1564456320. Its totient is φ = 220241664.

The previous prime is 647113991. The next prime is 647114021. The reversal of 647114020 is 20411746.

It is not an unprimeable number, because it can be changed into a prime (647114021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2311 + ... + 36049.

It is an arithmetic number, because the mean of its divisors is an integer number (32592840).

Almost surely, 2^647114020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 647114020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (782228160).

647114020 is an abundant number, since it is smaller than the sum of its proper divisors (917342300).

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

647114020 is a wasteful number, since it uses less digits than its factorization.

647114020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33892 (or 33890 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 25.

The square root of 647114020 is about 25438.4358795898. The cubic root of 647114020 is about 864.9551782716.

Adding to 647114020 its reverse (20411746), we get a palindrome (667525766).

The spelling of 647114020 in words is "six hundred forty-seven million, one hundred fourteen thousand, twenty".