10344312220 has 48 divisors (see below), whose sum is σ = 23781760128. Its totient is φ = 3748253760.

The previous prime is 10344312197. The next prime is 10344312227. The reversal of 10344312220 is 2221344301.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 10344312191 and 10344312200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10344312227) 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, 20814 + ... + 145333.

It is an arithmetic number, because the mean of its divisors is an integer number (495453336).

Almost surely, 2^10344312220 is an apocalyptic number.

10344312220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10344312220 is an abundant number, since it is smaller than the sum of its proper divisors (13437447908).

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

10344312220 is a wasteful number, since it uses less digits than its factorization.

10344312220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166450 (or 166448 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10344312220 its reverse (2221344301), we get a palindrome (12565656521).

The spelling of 10344312220 in words is "ten billion, three hundred forty-four million, three hundred twelve thousand, two hundred twenty".