42020533 has 8 divisors (see below), whose sum is σ = 44532000. Its totient is φ = 39539088.

The previous prime is 42020527. The next prime is 42020557. The reversal of 42020533 is 33502024.

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

It is a cyclic number.

It is not a de Polignac number, because 42020533 - 2¹⁷ = 41889461 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42020533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42020233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4591 + ... + 10252.

It is an arithmetic number, because the mean of its divisors is an integer number (5566500).

Almost surely, 2^42020533 is an apocalyptic number.

It is an amenable number.

42020533 is a deficient number, since it is larger than the sum of its proper divisors (2511467).

42020533 is a wasteful number, since it uses less digits than its factorization.

42020533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15011.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 42020533 is about 6482.3246601817. The cubic root of 42020533 is about 347.6593007007.

Adding to 42020533 its reverse (33502024), we get a palindrome (75522557).

The spelling of 42020533 in words is "forty-two million, twenty thousand, five hundred thirty-three".