42420202 has 32 divisors (see below), whose sum is σ = 74291904. Its totient is φ = 17952000.

The previous prime is 42420181. The next prime is 42420223. The reversal of 42420202 is 20202424.

It is an interprime number because it is at equal distance from previous prime (42420181) and next prime (42420223).

It is a plaindrome in base 12.

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, 37213 + ... + 38335.

It is an arithmetic number, because the mean of its divisors is an integer number (2321622).

Almost surely, 2^42420202 is an apocalyptic number.

42420202 is a deficient number, since it is larger than the sum of its proper divisors (31871702).

42420202 is a wasteful number, since it uses less digits than its factorization.

42420202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 42420202 is about 6513.0793024498. The cubic root of 42420202 is about 348.7580526825.

Adding to 42420202 its reverse (20202424), we get a palindrome (62622626).

The spelling of 42420202 in words is "forty-two million, four hundred twenty thousand, two hundred two".