2687386020 has 48 divisors (see below), whose sum is σ = 8208744768. Its totient is φ = 651487360.

The previous prime is 2687386003. The next prime is 2687386043. The reversal of 2687386020 is 206837862.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2035239 + ... + 2036558.

It is an arithmetic number, because the mean of its divisors is an integer number (171015516).

Almost surely, 2^2687386020 is an apocalyptic number.

2687386020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2687386020 is an abundant number, since it is smaller than the sum of its proper divisors (5521358748).

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

2687386020 is a wasteful number, since it uses less digits than its factorization.

2687386020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071820 (or 4071818 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 2687386020 is about 51840.0040509258. The cubic root of 2687386020 is about 1390.3047862604.

The spelling of 2687386020 in words is "two billion, six hundred eighty-seven million, three hundred eighty-six thousand, twenty".