220700020340 has 12 divisors (see below), whose sum is σ = 463470042756. Its totient is φ = 88280008128.

The previous prime is 220700020337. The next prime is 220700020367. The reversal of 220700020340 is 43020007022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 43645895056 + 177054125284 = 208916^2 + 420778^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 11035001017 = 220700020340 / (2 + 2 + 0 + 7 + 0 + 0 + 0 + 2 + 0 + 3 + 4 + 0).

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, 5517500489 + ... + 5517500528.

It is an arithmetic number, because the mean of its divisors is an integer number (38622503563).

Almost surely, 2^220700020340 is an apocalyptic number.

220700020340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

220700020340 is an abundant number, since it is smaller than the sum of its proper divisors (242770022416).

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

220700020340 is a wasteful number, since it uses less digits than its factorization.

220700020340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11035001026 (or 11035001024 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 20.

Adding to 220700020340 its reverse (43020007022), we get a palindrome (263720027362).

The spelling of 220700020340 in words is "two hundred twenty billion, seven hundred million, twenty thousand, three hundred forty".