196420220 has 24 divisors (see below), whose sum is σ = 412776000. Its totient is φ = 78512192.

The previous prime is 196420187. The next prime is 196420267. The reversal of 196420220 is 22024691.

It is a self number, because there is not a number n which added to its sum of digits gives 196420220.

It is a congruent number.

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, 36461 + ... + 41499.

It is an arithmetic number, because the mean of its divisors is an integer number (17199000).

Almost surely, 2^196420220 is an apocalyptic number.

196420220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

196420220 is an abundant number, since it is smaller than the sum of its proper divisors (216355780).

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

196420220 is a wasteful number, since it uses less digits than its factorization.

196420220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6997 (or 6995 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 196420220 is about 14014.9998216197. Note that the first 3 decimals coincide. The cubic root of 196420220 is about 581.2934076343.

The spelling of 196420220 in words is "one hundred ninety-six million, four hundred twenty thousand, two hundred twenty".