201022057 has 16 divisors (see below), whose sum is σ = 212647680. Its totient is φ = 189820800.

The previous prime is 201022037. The next prime is 201022069. The reversal of 201022057 is 750220102.

It is a cyclic number.

It is not a de Polignac number, because 201022057 - 2¹¹ = 201020009 is a prime.

It is a super-2 number, since 2×201022057² = 80819734801022498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201022007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171082 + ... + 172252.

It is an arithmetic number, because the mean of its divisors is an integer number (13290480).

Almost surely, 2^201022057 is an apocalyptic number.

It is an amenable number.

201022057 is a deficient number, since it is larger than the sum of its proper divisors (11625623).

201022057 is a wasteful number, since it uses less digits than its factorization.

201022057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 201022057 is about 14178.2247478307. The cubic root of 201022057 is about 585.7980264705.

Adding to 201022057 its reverse (750220102), we get a palindrome (951242159).

The spelling of 201022057 in words is "two hundred one million, twenty-two thousand, fifty-seven".