402213211420 has 48 divisors (see below), whose sum is σ = 859091425920. Its totient is φ = 158144399424.

The previous prime is 402213211417. The next prime is 402213211427. The reversal of 402213211420 is 24112312204.

It is a junction number, because it is equal to n+sod(n) for n = 402213211391 and 402213211400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402213211427) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 304411 + ... + 947149.

It is an arithmetic number, because the mean of its divisors is an integer number (17897738040).

Almost surely, 2^402213211420 is an apocalyptic number.

It is an amenable number.

402213211420 is an abundant number, since it is smaller than the sum of its proper divisors (456878214500).

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

402213211420 is a wasteful number, since it uses less digits than its factorization.

402213211420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643282 (or 643280 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 402213211420 its reverse (24112312204), we get a palindrome (426325523624).

The spelling of 402213211420 in words is "four hundred two billion, two hundred thirteen million, two hundred eleven thousand, four hundred twenty".