2420686680 has 64 divisors (see below), whose sum is σ = 7329968640. Its totient is φ = 639480192.

The previous prime is 2420686673. The next prime is 2420686691. The reversal of 2420686680 is 866860242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81424 + ... + 107103.

It is an arithmetic number, because the mean of its divisors is an integer number (114530760).

Almost surely, 2^2420686680 is an apocalyptic number.

2420686680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2420686680 is an abundant number, since it is smaller than the sum of its proper divisors (4909281960).

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

2420686680 is a wasteful number, since it uses less digits than its factorization.

2420686680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188648 (or 188644 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 2420686680 is about 49200.4743879569. The cubic root of 2420686680 is about 1342.7016630223.

The spelling of 2420686680 in words is "two billion, four hundred twenty million, six hundred eighty-six thousand, six hundred eighty".