220266420 has 48 divisors (see below), whose sum is σ = 672815808. Its totient is φ = 53397760.

The previous prime is 220266407. The next prime is 220266421. The reversal of 220266420 is 24662022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220266421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166209 + ... + 167528.

It is an arithmetic number, because the mean of its divisors is an integer number (14016996).

Almost surely, 2^220266420 is an apocalyptic number.

220266420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220266420 is an abundant number, since it is smaller than the sum of its proper divisors (452549388).

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

220266420 is a wasteful number, since it uses less digits than its factorization.

220266420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333760 (or 333758 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 220266420 is about 14841.3752732016. The cubic root of 220266420 is about 603.9246613048.

The spelling of 220266420 in words is "two hundred twenty million, two hundred sixty-six thousand, four hundred twenty".