302412400220 has 48 divisors (see below), whose sum is σ = 725880270528. Its totient is φ = 103671321600.

The previous prime is 302412400217. The next prime is 302412400253. The reversal of 302412400220 is 22004214203.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 302412400192 and 302412400201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027670 + ... + 1288770.

It is an arithmetic number, because the mean of its divisors is an integer number (15122505636).

Almost surely, 2^302412400220 is an apocalyptic number.

It is an amenable number.

302412400220 is an abundant number, since it is smaller than the sum of its proper divisors (423467870308).

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

302412400220 is a wasteful number, since it uses less digits than its factorization.

302412400220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269390 (or 269388 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 302412400220 its reverse (22004214203), we get a palindrome (324416614423).

The spelling of 302412400220 in words is "three hundred two billion, four hundred twelve million, four hundred thousand, two hundred twenty".