60020040 has 32 divisors (see below), whose sum is σ = 180060480. Its totient is φ = 16005312.

The previous prime is 60020029. The next prime is 60020071. The reversal of 60020040 is 4002006.

60020040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a junction number, because it is equal to n+sod(n) for n = 60019998 and 60020025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 249964 + ... + 250203.

It is an arithmetic number, because the mean of its divisors is an integer number (5626890).

Almost surely, 2^60020040 is an apocalyptic number.

60020040 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60020040 is an abundant number, since it is smaller than the sum of its proper divisors (120040440).

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

60020040 is a wasteful number, since it uses less digits than its factorization.

60020040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500181 (or 500177 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 60020040 is about 7747.2601608569. The cubic root of 60020040 is about 391.5303447917.

Adding to 60020040 its reverse (4002006), we get a palindrome (64022046).

The spelling of 60020040 in words is "sixty million, twenty thousand, forty".