20700062018 has 8 divisors (see below), whose sum is σ = 32120785980. Its totient is φ = 9993133360.

The previous prime is 20700062011. The next prime is 20700062027. The reversal of 20700062018 is 81026000702.

It can be written as a sum of positive squares in 2 ways, for example, as 19672026049 + 1028035969 = 140257^2 + 32063^2 .

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

It is not an unprimeable number, because it can be changed into a prime (20700062011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178448753 + ... + 178448868.

Almost surely, 2^20700062018 is an apocalyptic number.

20700062018 is a deficient number, since it is larger than the sum of its proper divisors (11420723962).

20700062018 is a wasteful number, since it uses less digits than its factorization.

20700062018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356897652.

The product of its (nonzero) digits is 1344, while the sum is 26.

The spelling of 20700062018 in words is "twenty billion, seven hundred million, sixty-two thousand, eighteen".