201426633 has 6 divisors (see below), whose sum is σ = 290949594. Its totient is φ = 134284416.

The previous prime is 201426629. The next prime is 201426647. The reversal of 201426633 is 336624102.

201426633 is a `hidden beast` number, since 2 + 0 + 1 + 4 + 26 + 633 = 666.

It can be written as a sum of positive squares in only one way, i.e., 124478649 + 76947984 = 11157^2 + 8772^2 .

It is not a de Polignac number, because 201426633 - 2² = 201426629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201426597 and 201426606.

It is not an unprimeable number, because it can be changed into a prime (201426683) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11190360 + ... + 11190377.

It is an arithmetic number, because the mean of its divisors is an integer number (48491599).

Almost surely, 2^201426633 is an apocalyptic number.

It is an amenable number.

201426633 is a deficient number, since it is larger than the sum of its proper divisors (89522961).

201426633 is a wasteful number, since it uses less digits than its factorization.

201426633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22380743 (or 22380740 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 201426633 is about 14192.4850889476. The cubic root of 201426633 is about 586.1907545266.

The spelling of 201426633 in words is "two hundred one million, four hundred twenty-six thousand, six hundred thirty-three".