4431102100220 has 96 divisors (see below), whose sum is σ = 9445376618496. Its totient is φ = 1745966476800.

The previous prime is 4431102100211. The next prime is 4431102100241. The reversal of 4431102100220 is 220012011344.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4431102100192 and 4431102100201.

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, 351361715 + ... + 351374325.

It is an arithmetic number, because the mean of its divisors is an integer number (98389339776).

Almost surely, 2^{4431102100220} is an apocalyptic number.

It is an amenable number.

4431102100220 is an abundant number, since it is smaller than the sum of its proper divisors (5014274518276).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4431102100220 is a wasteful number, since it uses less digits than its factorization.

4431102100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13611 (or 13609 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 4431102100220 its reverse (220012011344), we get a palindrome (4651114111564).

The spelling of 4431102100220 in words is "four trillion, four hundred thirty-one billion, one hundred two million, one hundred thousand, two hundred twenty".