60442020 has 72 divisors (see below), whose sum is σ = 184012920. Its totient is φ = 16058880.

The previous prime is 60442013. The next prime is 60442027. The reversal of 60442020 is 2024406.

60442020 is a `hidden beast` number, since 604 + 42 + 0 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (60442013) and next prime (60442027).

It can be written as a sum of positive squares in 4 ways, for example, as 11329956 + 49112064 = 3366^2 + 7008^2 .

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 = 60441984 and 60442002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60442027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73210 + ... + 74030.

It is an arithmetic number, because the mean of its divisors is an integer number (2555735).

Almost surely, 2^60442020 is an apocalyptic number.

60442020 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 60442020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92006460).

60442020 is an abundant number, since it is smaller than the sum of its proper divisors (123570900).

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

60442020 is a wasteful number, since it uses less digits than its factorization.

60442020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1240 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 60442020 is about 7774.4466040999. The cubic root of 60442020 is about 392.4457739468.

Adding to 60442020 its reverse (2024406), we get a palindrome (62466426).

It can be divided in two parts, 604 and 42020, that added together give a palindrome (42624).

The spelling of 60442020 in words is "sixty million, four hundred forty-two thousand, twenty".