42302420 has 12 divisors (see below), whose sum is σ = 88835124. Its totient is φ = 16920960.

The previous prime is 42302419. The next prime is 42302453. The reversal of 42302420 is 2420324.

It can be written as a sum of positive squares in 2 ways, for example, as 24880144 + 17422276 = 4988^2 + 4174^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1057541 + ... + 1057580.

It is an arithmetic number, because the mean of its divisors is an integer number (7402927).

Almost surely, 2^42302420 is an apocalyptic number.

It is an amenable number.

42302420 is an abundant number, since it is smaller than the sum of its proper divisors (46532704).

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

42302420 is a wasteful number, since it uses less digits than its factorization.

42302420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115130 (or 2115128 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 42302420 is about 6504.0310577364. The cubic root of 42302420 is about 348.4349715744.

Adding to 42302420 its reverse (2420324), we get a palindrome (44722744).

The spelling of 42302420 in words is "forty-two million, three hundred two thousand, four hundred twenty".