201430163220 has 96 divisors (see below), whose sum is σ = 662606663040. Its totient is φ = 45075279360.

The previous prime is 201430163219. The next prime is 201430163239. The reversal of 201430163220 is 22361034102.

It is a super-2 number, since 2×201430163220² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11729775 + ... + 11746934.

It is an arithmetic number, because the mean of its divisors is an integer number (6902152740).

Almost surely, 2^201430163220 is an apocalyptic number.

201430163220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201430163220 is an abundant number, since it is smaller than the sum of its proper divisors (461176499820).

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

201430163220 is a wasteful number, since it uses less digits than its factorization.

201430163220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23476745 (or 23476743 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 201430163220 its reverse (22361034102), we get a palindrome (223791197322).

The spelling of 201430163220 in words is "two hundred one billion, four hundred thirty million, one hundred sixty-three thousand, two hundred twenty".