220420341404340 has 96 divisors (see below), whose sum is σ = 769467373645824. Its totient is φ = 45801629381760.

The previous prime is 220420341404251. The next prime is 220420341404357. The reversal of 220420341404340 is 43404143024022.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 23855010684 + ... + 23855019923.

It is an arithmetic number, because the mean of its divisors is an integer number (8015285142144).

Almost surely, 2^{220420341404340} is an apocalyptic number.

220420341404340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220420341404340 is an abundant number, since it is smaller than the sum of its proper divisors (549047032241484).

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

220420341404340 is a wasteful number, since it uses less digits than its factorization.

220420341404340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47710030637 (or 47710030635 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 220420341404340 its reverse (43404143024022), we get a palindrome (263824484428362).

The spelling of 220420341404340 in words is "two hundred twenty trillion, four hundred twenty billion, three hundred forty-one million, four hundred four thousand, three hundred forty".