207680220 has 96 divisors (see below), whose sum is σ = 704874240. Its totient is φ = 50345280.

The previous prime is 207680219. The next prime is 207680237. The reversal of 207680220 is 22086702.

207680220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11542 + ... + 23421.

It is an arithmetic number, because the mean of its divisors is an integer number (7342440).

Almost surely, 2^207680220 is an apocalyptic number.

207680220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207680220 is an abundant number, since it is smaller than the sum of its proper divisors (497194020).

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

207680220 is a wasteful number, since it uses less digits than its factorization.

207680220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34992 (or 34984 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 207680220 is about 14411.1144607209. The cubic root of 207680220 is about 592.1954210876.

The spelling of 207680220 in words is "two hundred seven million, six hundred eighty thousand, two hundred twenty".