612013020 has 48 divisors (see below), whose sum is σ = 1737123360. Its totient is φ = 160966656.

The previous prime is 612013007. The next prime is 612013043. The reversal of 612013020 is 20310216.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 65485 + ... + 74244.

It is an arithmetic number, because the mean of its divisors is an integer number (36190070).

Almost surely, 2^612013020 is an apocalyptic number.

612013020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

612013020 is an abundant number, since it is smaller than the sum of its proper divisors (1125110340).

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

612013020 is a wasteful number, since it uses less digits than its factorization.

612013020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139814 (or 139812 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 612013020 is about 24738.8969034595. The cubic root of 612013020 is about 849.0244956521.

Adding to 612013020 its reverse (20310216), we get a palindrome (632323236).

The spelling of 612013020 in words is "six hundred twelve million, thirteen thousand, twenty".