220102040 has 16 divisors (see below), whose sum is σ = 495229680. Its totient is φ = 88040800.

The previous prime is 220102027. The next prime is 220102117. The reversal of 220102040 is 40201022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2751236 + ... + 2751315.

It is an arithmetic number, because the mean of its divisors is an integer number (30951855).

Almost surely, 2^220102040 is an apocalyptic number.

220102040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220102040 is an abundant number, since it is smaller than the sum of its proper divisors (275127640).

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

220102040 is a wasteful number, since it uses less digits than its factorization.

220102040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5502562 (or 5502558 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 220102040 is about 14835.8363431254. The cubic root of 220102040 is about 603.7743920063.

Adding to 220102040 its reverse (40201022), we get a palindrome (260303062).

The spelling of 220102040 in words is "two hundred twenty million, one hundred two thousand, forty".