220157424 has 30 divisors (see below), whose sum is σ = 616135416. Its totient is φ = 73385760.

The previous prime is 220157423. The next prime is 220157459. The reversal of 220157424 is 424751022.

220157424 is a `hidden beast` number, since 220 + 15 + 7 + 424 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220157423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764292 + ... + 764579.

Almost surely, 2^220157424 is an apocalyptic number.

220157424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

220157424 is an abundant number, since it is smaller than the sum of its proper divisors (395977992).

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

220157424 is a wasteful number, since it uses less digits than its factorization.

220157424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1528885 (or 1528876 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 220157424 is about 14837.7027871568. The cubic root of 220157424 is about 603.8250300900.

The spelling of 220157424 in words is "two hundred twenty million, one hundred fifty-seven thousand, four hundred twenty-four".