207220420 has 24 divisors (see below), whose sum is σ = 474723648. Its totient is φ = 75352800.

The previous prime is 207220411. The next prime is 207220427. The reversal of 207220420 is 24022702.

It is not an unprimeable number, because it can be changed into a prime (207220427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470736 + ... + 471175.

It is an arithmetic number, because the mean of its divisors is an integer number (19780152).

Almost surely, 2^207220420 is an apocalyptic number.

207220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207220420 is an abundant number, since it is smaller than the sum of its proper divisors (267503228).

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

207220420 is a wasteful number, since it uses less digits than its factorization.

207220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941931 (or 941929 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 19.

The square root of 207220420 is about 14395.1526563632. The cubic root of 207220420 is about 591.7580617482.

The spelling of 207220420 in words is "two hundred seven million, two hundred twenty thousand, four hundred twenty".