42321220002 has 48 divisors (see below), whose sum is σ = 92309869080. Its totient is φ = 14012928000.

The previous prime is 42321219911. The next prime is 42321220021. The reversal of 42321220002 is 20002212324.

42321220002 is a `hidden beast` number, since 423 + 21 + 220 + 0 + 0 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 39760758801 + 2560461201 = 199401^2 + 50601^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1727374 + ... + 1751702.

Almost surely, 2^42321220002 is an apocalyptic number.

42321220002 is an abundant number, since it is smaller than the sum of its proper divisors (49988649078).

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

42321220002 is a wasteful number, since it uses less digits than its factorization.

42321220002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24979 (or 24976 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 42321220002 its reverse (20002212324), we get a palindrome (62323432326).

The spelling of 42321220002 in words is "forty-two billion, three hundred twenty-one million, two hundred twenty thousand, two".