60561020 has 48 divisors (see below), whose sum is σ = 137897760. Its totient is φ = 22208256.

The previous prime is 60560989. The next prime is 60561031. The reversal of 60561020 is 2016506.

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 = 60560983 and 60561001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41666 + ... + 43094.

It is an arithmetic number, because the mean of its divisors is an integer number (2872870).

Almost surely, 2^60561020 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 60561020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68948880).

60561020 is an abundant number, since it is smaller than the sum of its proper divisors (77336740).

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

60561020 is a wasteful number, since it uses less digits than its factorization.

60561020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614 (or 1612 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 60561020 is about 7782.0961186559. The cubic root of 60561020 is about 392.7031579752.

Adding to 60561020 its reverse (2016506), we get a palindrome (62577526).

The spelling of 60561020 in words is "sixty million, five hundred sixty-one thousand, twenty".