601020 has 120 divisors (see below), whose sum is σ = 2195424. Its totient is φ = 134784.

The previous prime is 600983. The next prime is 601021. The reversal of 601020 is 20106.

601020 = T₄₉ + T₅₀ + ... + T₁₅₄.

It is a super-2 number, since 2×601020² = 722450080800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 600993 and 601011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (601021) by changing a digit.

601020 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 39 ways as a sum of consecutive naturals, for example, 11314 + ... + 11366.

2⁶⁰¹⁰²⁰ is an apocalyptic number.

601020 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 601020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097712).

601020 is an abundant number, since it is smaller than the sum of its proper divisors (1594404).

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

601020 is a wasteful number, since it uses less digits than its factorization.

601020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 601020 is about 775.2547968249. The cubic root of 601020 is about 84.3910339899.

Adding to 601020 its reverse (20106), we get a palindrome (621126).

The spelling of 601020 in words is "six hundred one thousand, twenty".