201024178069 has 32 divisors (see below), whose sum is σ = 240586351488. Its totient is φ = 165548448000.

The previous prime is 201024178009. The next prime is 201024178073. The reversal of 201024178069 is 960871420102.

It is not a de Polignac number, because 201024178069 - 2⁷ = 201024177941 is a prime.

It is a super-2 number, since 2×201024178069² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201024178009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3838279 + ... + 3890299.

It is an arithmetic number, because the mean of its divisors is an integer number (7518323484).

Almost surely, 2^201024178069 is an apocalyptic number.

It is an amenable number.

201024178069 is a deficient number, since it is larger than the sum of its proper divisors (39562173419).

201024178069 is a wasteful number, since it uses less digits than its factorization.

201024178069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52549.

The product of its (nonzero) digits is 48384, while the sum is 40.

The spelling of 201024178069 in words is "two hundred one billion, twenty-four million, one hundred seventy-eight thousand, sixty-nine".