220210156 has 6 divisors (see below), whose sum is σ = 385367780. Its totient is φ = 110105076.

The previous prime is 220210141. The next prime is 220210157. The reversal of 220210156 is 651012022.

It is not an unprimeable number, because it can be changed into a prime (220210157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27526266 + ... + 27526273.

Almost surely, 2^220210156 is an apocalyptic number.

It is an amenable number.

220210156 is a deficient number, since it is larger than the sum of its proper divisors (165157624).

220210156 is a wasteful number, since it uses less digits than its factorization.

220210156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55052543 (or 55052541 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 220210156 is about 14839.4796404726. The cubic root of 220210156 is about 603.8732355348.

Adding to 220210156 its reverse (651012022), we get a palindrome (871222178).

The spelling of 220210156 in words is "two hundred twenty million, two hundred ten thousand, one hundred fifty-six".