220154040 has 96 divisors (see below), whose sum is σ = 724651200. Its totient is φ = 57957120.

The previous prime is 220154017. The next prime is 220154041. The reversal of 220154040 is 40451022.

220154040 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 (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220154041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24570 + ... + 32310.

It is an arithmetic number, because the mean of its divisors is an integer number (7548450).

Almost surely, 2^220154040 is an apocalyptic number.

220154040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 220154040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (362325600).

220154040 is an abundant number, since it is smaller than the sum of its proper divisors (504497160).

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

220154040 is a wasteful number, since it uses less digits than its factorization.

220154040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7837 (or 7830 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 220154040 is about 14837.5887528938. The cubic root of 220154040 is about 603.8219363123.

The spelling of 220154040 in words is "two hundred twenty million, one hundred fifty-four thousand, forty".