2651667020 has 24 divisors (see below), whose sum is σ = 5622568224. Its totient is φ = 1050368256.

The previous prime is 2651667013. The next prime is 2651667061. The reversal of 2651667020 is 207661562.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641549 + ... + 645668.

It is an arithmetic number, because the mean of its divisors is an integer number (234273676).

Almost surely, 2^2651667020 is an apocalyptic number.

2651667020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2651667020 is an abundant number, since it is smaller than the sum of its proper divisors (2970901204).

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

2651667020 is a wasteful number, since it uses less digits than its factorization.

2651667020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287329 (or 1287327 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 2651667020 is about 51494.3396889406. The cubic root of 2651667020 is about 1384.1176149113.

The spelling of 2651667020 in words is "two billion, six hundred fifty-one million, six hundred sixty-seven thousand, twenty".