201026864 has 20 divisors (see below), whose sum is σ = 389774904. Its totient is φ = 100439808.

The previous prime is 201026863. The next prime is 201026873. The reversal of 201026864 is 468620102.

It is not an unprimeable number, because it can be changed into a prime (201026863) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22904 + ... + 30440.

Almost surely, 2^201026864 is an apocalyptic number.

It is an amenable number.

201026864 is a deficient number, since it is larger than the sum of its proper divisors (188748040).

201026864 is a wasteful number, since it uses less digits than its factorization.

201026864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9212 (or 9206 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 201026864 is about 14178.3942673351. The cubic root of 201026864 is about 585.8026957901.

Adding to 201026864 its reverse (468620102), we get a palindrome (669646966).

The spelling of 201026864 in words is "two hundred one million, twenty-six thousand, eight hundred sixty-four".