42020102 has 8 divisors (see below), whose sum is σ = 63058296. Its totient is φ = 21000672.

The previous prime is 42020093. The next prime is 42020131. The reversal of 42020102 is 20102024.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 4553 + ... + 10235.

It is an arithmetic number, because the mean of its divisors is an integer number (7882287).

Almost surely, 2^42020102 is an apocalyptic number.

42020102 is a deficient number, since it is larger than the sum of its proper divisors (21038194).

42020102 is a wasteful number, since it uses less digits than its factorization.

42020102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 42020102 is about 6482.2914158498. The cubic root of 42020102 is about 347.6581120622.

Adding to 42020102 its reverse (20102024), we get a palindrome (62122126).

The spelling of 42020102 in words is "forty-two million, twenty thousand, one hundred two".