612034020 has 144 divisors (see below), whose sum is σ = 2053637040. Its totient is φ = 146562048.

The previous prime is 612034001. The next prime is 612034021. The reversal of 612034020 is 20430216.

It is a happy number.

612034020 is a `hidden beast` number, since 61 + 203 + 402 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 8054244 + 603979776 = 2838^2 + 24576^2 .

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 = 612033984 and 612034002.

It is not an unprimeable number, because it can be changed into a prime (612034021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 83046 + ... + 90114.

Almost surely, 2^612034020 is an apocalyptic number.

612034020 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 612034020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1026818520).

612034020 is an abundant number, since it is smaller than the sum of its proper divisors (1441603020).

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

612034020 is a wasteful number, since it uses less digits than its factorization.

612034020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7134 (or 7129 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 612034020 is about 24739.3213326477. The cubic root of 612034020 is about 849.0342063990.

Adding to 612034020 its reverse (20430216), we get a palindrome (632464236).

The spelling of 612034020 in words is "six hundred twelve million, thirty-four thousand, twenty".