42020050 has 24 divisors (see below), whose sum is σ = 78338736. Its totient is φ = 16769040.

The previous prime is 42020029. The next prime is 42020059. The reversal of 42020050 is 5002024.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42020050.

It is not an unprimeable number, because it can be changed into a prime (42020059) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31497 + ... + 32803.

It is an arithmetic number, because the mean of its divisors is an integer number (3264114).

Almost surely, 2^42020050 is an apocalyptic number.

42020050 is a deficient number, since it is larger than the sum of its proper divisors (36318686).

42020050 is a wasteful number, since it uses less digits than its factorization.

42020050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1962 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 13.

The square root of 42020050 is about 6482.2874049212. The cubic root of 42020050 is about 347.6579686529.

Adding to 42020050 its reverse (5002024), we get a palindrome (47022074).

The spelling of 42020050 in words is "forty-two million, twenty thousand, fifty".