220012154 has 8 divisors (see below), whose sum is σ = 341398260. Its totient is φ = 106212736.

The previous prime is 220012103. The next prime is 220012157. The reversal of 220012154 is 451210022.

It can be written as a sum of positive squares in 2 ways, for example, as 219839929 + 172225 = 14827^2 + 415^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220012157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1896599 + ... + 1896714.

Almost surely, 2^220012154 is an apocalyptic number.

220012154 is a deficient number, since it is larger than the sum of its proper divisors (121386106).

220012154 is a wasteful number, since it uses less digits than its factorization.

220012154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793344.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 220012154 is about 14832.8066797892. The cubic root of 220012154 is about 603.6921903535.

Adding to 220012154 its reverse (451210022), we get a palindrome (671222176).

The spelling of 220012154 in words is "two hundred twenty million, twelve thousand, one hundred fifty-four".