20400200004226 has 64 divisors (see below), whose sum is σ = 36756279947520. Its totient is φ = 8311427055360.

The previous prime is 20400200004221. The next prime is 20400200004257. The reversal of 20400200004226 is 62240000200402.

It is a junction number, because it is equal to n+sod(n) for n = 20400200004197 and 20400200004206.

It is not an unprimeable number, because it can be changed into a prime (20400200004221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330981 + ... + 6396088.

It is an arithmetic number, because the mean of its divisors is an integer number (574316874180).

Almost surely, 2^{20400200004226} is an apocalyptic number.

20400200004226 is a deficient number, since it is larger than the sum of its proper divisors (16356079943294).

20400200004226 is a wasteful number, since it uses less digits than its factorization.

20400200004226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6727259.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20400200004226 its reverse (62240000200402), we get a palindrome (82640200204628).

The spelling of 20400200004226 in words is "twenty trillion, four hundred billion, two hundred million, four thousand, two hundred twenty-six".