340433021020220 has 24 divisors (see below), whose sum is σ = 714930782748000. Its totient is φ = 136169124864192.

The previous prime is 340433021020177. The next prime is 340433021020243. The reversal of 340433021020220 is 22020120334043.

It is a self number, because there is not a number n which added to its sum of digits gives 340433021020220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254537840 + ... + 255871799.

It is an arithmetic number, because the mean of its divisors is an integer number (29788782614500).

Almost surely, 2^{340433021020220} is an apocalyptic number.

It is an amenable number.

340433021020220 is an abundant number, since it is smaller than the sum of its proper divisors (374497761727780).

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

340433021020220 is a wasteful number, since it uses less digits than its factorization.

340433021020220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 510442997 (or 510442995 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 340433021020220 its reverse (22020120334043), we get a palindrome (362453141354263).

The spelling of 340433021020220 in words is "three hundred forty trillion, four hundred thirty-three billion, twenty-one million, twenty thousand, two hundred twenty".