20016668335 has 32 divisors (see below), whose sum is σ = 24739292160. Its totient is φ = 15541680000.

The previous prime is 20016668317. The next prime is 20016668363. The reversal of 20016668335 is 53386661002.

It is a de Polignac number, because none of the positive numbers 2^k-20016668335 is a prime.

It is a super-2 number, since 2×20016668335² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13794360 + ... + 13795810.

It is an arithmetic number, because the mean of its divisors is an integer number (773102880).

Almost surely, 2^20016668335 is an apocalyptic number.

20016668335 is a deficient number, since it is larger than the sum of its proper divisors (4722623825).

20016668335 is a wasteful number, since it uses less digits than its factorization.

20016668335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 20016668335 in words is "twenty billion, sixteen million, six hundred sixty-eight thousand, three hundred thirty-five".