201421476 has 36 divisors (see below), whose sum is σ = 511200144. Its totient is φ = 66870000.

The previous prime is 201421471. The next prime is 201421487. The reversal of 201421476 is 674124102.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×201421476² = 81141221988037152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201421471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2110 + ... + 20181.

It is an arithmetic number, because the mean of its divisors is an integer number (14200004).

Almost surely, 2^201421476 is an apocalyptic number.

It is an amenable number.

201421476 is an abundant number, since it is smaller than the sum of its proper divisors (309778668).

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

201421476 is a wasteful number, since it uses less digits than its factorization.

201421476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22552 (or 22547 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 201421476 is about 14192.3034071288. The cubic root of 201421476 is about 586.1857518589.

Adding to 201421476 its reverse (674124102), we get a palindrome (875545578).

The spelling of 201421476 in words is "two hundred one million, four hundred twenty-one thousand, four hundred seventy-six".