612020233 has 4 divisors (see below), whose sum is σ = 667658448. Its totient is φ = 556382020.

The previous prime is 612020231. The next prime is 612020257. The reversal of 612020233 is 332020216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 612020233 - 2¹ = 612020231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 612020233.

It is not an unprimeable number, because it can be changed into a prime (612020231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27819091 + ... + 27819112.

It is an arithmetic number, because the mean of its divisors is an integer number (166914612).

Almost surely, 2^612020233 is an apocalyptic number.

It is an amenable number.

612020233 is a deficient number, since it is larger than the sum of its proper divisors (55638215).

612020233 is a wasteful number, since it uses less digits than its factorization.

612020233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55638214.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 612020233 is about 24739.0426856012. The cubic root of 612020233 is about 849.0278310875.

Adding to 612020233 its reverse (332020216), we get a palindrome (944040449).

The spelling of 612020233 in words is "six hundred twelve million, twenty thousand, two hundred thirty-three".