340100220 has 48 divisors (see below), whose sum is σ = 953971200. Its totient is φ = 90532416.

The previous prime is 340100203. The next prime is 340100227. The reversal of 340100220 is 22001043.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 340100196 and 340100205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340100227) 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, 31209 + ... + 40671.

It is an arithmetic number, because the mean of its divisors is an integer number (19874400).

Almost surely, 2^340100220 is an apocalyptic number.

340100220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340100220 is an abundant number, since it is smaller than the sum of its proper divisors (613870980).

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

340100220 is a wasteful number, since it uses less digits than its factorization.

340100220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074 (or 10072 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 340100220 is about 18441.8063106627. The cubic root of 340100220 is about 698.0217752776.

Adding to 340100220 its reverse (22001043), we get a palindrome (362101263).

The spelling of 340100220 in words is "three hundred forty million, one hundred thousand, two hundred twenty".