60505020 has 144 divisors (see below), whose sum is σ = 193808160. Its totient is φ = 15257088.

The previous prime is 60505013. The next prime is 60505033. The reversal of 60505020 is 2050506.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 60504984 and 60505002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 349654 + ... + 349826.

It is an arithmetic number, because the mean of its divisors is an integer number (1345890).

Almost surely, 2^60505020 is an apocalyptic number.

60505020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 60505020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96904080).

60505020 is an abundant number, since it is smaller than the sum of its proper divisors (133303140).

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

60505020 is a wasteful number, since it uses less digits than its factorization.

60505020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 60505020 is about 7778.4972841803. The cubic root of 60505020 is about 392.5820781194.

Adding to 60505020 its reverse (2050506), we get a palindrome (62555526).

The spelling of 60505020 in words is "sixty million, five hundred five thousand, twenty".