20046518200407 has 16 divisors (see below), whose sum is σ = 26785057178880. Its totient is φ = 13336191692352.

The previous prime is 20046518200391. The next prime is 20046518200421. The reversal of 20046518200407 is 70400281564002.

It is not a de Polignac number, because 20046518200407 - 2⁴ = 20046518200391 is a prime.

It is a super-3 number, since 3×20046518200407³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20046518200307) 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, 934557 + ... + 6400502.

It is an arithmetic number, because the mean of its divisors is an integer number (1674066073680).

Almost surely, 2^{20046518200407} is an apocalyptic number.

20046518200407 is a deficient number, since it is larger than the sum of its proper divisors (6738538978473).

20046518200407 is a wasteful number, since it uses less digits than its factorization.

20046518200407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336982.

The product of its (nonzero) digits is 107520, while the sum is 39.

Adding to 20046518200407 its reverse (70400281564002), we get a palindrome (90446799764409).

The spelling of 20046518200407 in words is "twenty trillion, forty-six billion, five hundred eighteen million, two hundred thousand, four hundred seven".