220302121404 has 24 divisors (see below), whose sum is σ = 531763742160. Its totient is φ = 70901832064.

The previous prime is 220302121343. The next prime is 220302121421. The reversal of 220302121404 is 404121203022.

It is a super-3 number, since 3×220302121404³ (a number of 35 digits) contains 333 as substring.

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, 316525689 + ... + 316526384.

It is an arithmetic number, because the mean of its divisors is an integer number (22156822590).

Almost surely, 2^220302121404 is an apocalyptic number.

It is an amenable number.

220302121404 is an abundant number, since it is smaller than the sum of its proper divisors (311461620756).

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

220302121404 is a wasteful number, since it uses less digits than its factorization.

220302121404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633052109 (or 633052107 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 220302121404 its reverse (404121203022), we get a palindrome (624423324426).

The spelling of 220302121404 in words is "two hundred twenty billion, three hundred two million, one hundred twenty-one thousand, four hundred four".