20201667017 has 16 divisors (see below), whose sum is σ = 23181312000. Its totient is φ = 17245524672.

The previous prime is 20201667007. The next prime is 20201667019. The reversal of 20201667017 is 71076610202.

It is a cyclic number.

It is not a de Polignac number, because 20201667017 - 2¹⁶ = 20201601481 is a prime.

It is a super-3 number, since 3×20201667017³ (a number of 32 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (20201667019) 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, 5636408 + ... + 5639990.

It is an arithmetic number, because the mean of its divisors is an integer number (1448832000).

Almost surely, 2^20201667017 is an apocalyptic number.

It is an amenable number.

20201667017 is a deficient number, since it is larger than the sum of its proper divisors (2979644983).

20201667017 is a wasteful number, since it uses less digits than its factorization.

20201667017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6632.

The product of its (nonzero) digits is 7056, while the sum is 32.

The spelling of 20201667017 in words is "twenty billion, two hundred one million, six hundred sixty-seven thousand, seventeen".