346001307220 has 24 divisors (see below), whose sum is σ = 727053279624. Its totient is φ = 138314706816.

The previous prime is 346001307199. The next prime is 346001307229. The reversal of 346001307220 is 22703100643.

It can be written as a sum of positive squares in 4 ways, for example, as 102798466884 + 243202840336 = 320622^2 + 493156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346001307229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5330439 + ... + 5394958.

It is an arithmetic number, because the mean of its divisors is an integer number (30293886651).

Almost surely, 2^346001307220 is an apocalyptic number.

It is an amenable number.

346001307220 is an abundant number, since it is smaller than the sum of its proper divisors (381051972404).

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

346001307220 is a wasteful number, since it uses less digits than its factorization.

346001307220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10727019 (or 10727017 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 28.

Adding to 346001307220 its reverse (22703100643), we get a palindrome (368704407863).

The spelling of 346001307220 in words is "three hundred forty-six billion, one million, three hundred seven thousand, two hundred twenty".