201022860 has 24 divisors (see below), whose sum is σ = 562864176. Its totient is φ = 53606080.

The previous prime is 201022823. The next prime is 201022883. The reversal of 201022860 is 68220102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1675131 + ... + 1675250.

It is an arithmetic number, because the mean of its divisors is an integer number (23452674).

Almost surely, 2^201022860 is an apocalyptic number.

201022860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201022860 is an abundant number, since it is smaller than the sum of its proper divisors (361841316).

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

201022860 is a wasteful number, since it uses less digits than its factorization.

201022860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350393 (or 3350391 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 201022860 is about 14178.2530658752. The cubic root of 201022860 is about 585.7988064764.

Adding to 201022860 its reverse (68220102), we get a palindrome (269242962).

The spelling of 201022860 in words is "two hundred one million, twenty-two thousand, eight hundred sixty".