207920466 has 32 divisors (see below), whose sum is σ = 497589120. Its totient is φ = 63975312.

The previous prime is 207920429. The next prime is 207920491. The reversal of 207920466 is 664029702.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 207920466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 147390 + ... + 148793.

It is an arithmetic number, because the mean of its divisors is an integer number (15549660).

Almost surely, 2^207920466 is an apocalyptic number.

207920466 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

207920466 is an abundant number, since it is smaller than the sum of its proper divisors (289668654).

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

207920466 is a wasteful number, since it uses less digits than its factorization.

207920466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296207 (or 296201 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 207920466 is about 14419.4474928827. The cubic root of 207920466 is about 592.4236850916.

The spelling of 207920466 in words is "two hundred seven million, nine hundred twenty thousand, four hundred sixty-six".