20174077061 has 8 divisors (see below), whose sum is σ = 20288993400. Its totient is φ = 20059456960.

The previous prime is 20174077057. The next prime is 20174077067. The reversal of 20174077061 is 16077047102.

It can be written as a sum of positive squares in 4 ways, for example, as 1778308900 + 18395768161 = 42170^2 + 135631^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20174077061 - 2² = 20174077057 is a prime.

It is a super-3 number, since 3×20174077061³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20174077067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63251 + ... + 210591.

It is an arithmetic number, because the mean of its divisors is an integer number (2536124175).

Almost surely, 2^20174077061 is an apocalyptic number.

It is an amenable number.

20174077061 is a deficient number, since it is larger than the sum of its proper divisors (114916339).

20174077061 is a wasteful number, since it uses less digits than its factorization.

20174077061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148119.

The product of its (nonzero) digits is 16464, while the sum is 35.

The spelling of 20174077061 in words is "twenty billion, one hundred seventy-four million, seventy-seven thousand, sixty-one".