345010221020 has 12 divisors (see below), whose sum is σ = 724521464184. Its totient is φ = 138004088400.

The previous prime is 345010220987. The next prime is 345010221029. The reversal of 345010221020 is 20122010543.

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: 17250511051 = 345010221020 / (3 + 4 + 5 + 0 + 1 + 0 + 2 + 2 + 1 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 345010220983 and 345010221001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345010221029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8625255506 + ... + 8625255545.

It is an arithmetic number, because the mean of its divisors is an integer number (60376788682).

Almost surely, 2^345010221020 is an apocalyptic number.

It is an amenable number.

345010221020 is an abundant number, since it is smaller than the sum of its proper divisors (379511243164).

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

345010221020 is a wasteful number, since it uses less digits than its factorization.

345010221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17250511060 (or 17250511058 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 345010221020 its reverse (20122010543), we get a palindrome (365132231563).

The spelling of 345010221020 in words is "three hundred forty-five billion, ten million, two hundred twenty-one thousand, twenty".