42060620 has 72 divisors (see below), whose sum is σ = 103765536. Its totient is φ = 14278656.

The previous prime is 42060617. The next prime is 42060631. The reversal of 42060620 is 2606024.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 42060592 and 42060601.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163532 + ... + 163788.

It is an arithmetic number, because the mean of its divisors is an integer number (1441188).

Almost surely, 2^42060620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42060620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51882768).

42060620 is an abundant number, since it is smaller than the sum of its proper divisors (61704916).

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

42060620 is a wasteful number, since it uses less digits than its factorization.

42060620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447 (or 438 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 42060620 is about 6485.4159465681. The cubic root of 42060620 is about 347.7698195984.

Adding to 42060620 its reverse (2606024), we get a palindrome (44666644).

The spelling of 42060620 in words is "forty-two million, sixty thousand, six hundred twenty".