220431600436 has 12 divisors (see below), whose sum is σ = 385774028640. Its totient is φ = 110210449400.

The previous prime is 220431600419. The next prime is 220431600457. The reversal of 220431600436 is 634006134022.

It is a junction number, because it is equal to n+sod(n) for n = 220431600398 and 220431600407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1244290 + ... + 1410361.

It is an arithmetic number, because the mean of its divisors is an integer number (32147835720).

Almost surely, 2^220431600436 is an apocalyptic number.

It is an amenable number.

220431600436 is a deficient number, since it is larger than the sum of its proper divisors (165342428204).

220431600436 is a wasteful number, since it uses less digits than its factorization.

220431600436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2675414 (or 2675412 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 220431600436 its reverse (634006134022), we get a palindrome (854437734458).

The spelling of 220431600436 in words is "two hundred twenty billion, four hundred thirty-one million, six hundred thousand, four hundred thirty-six".