620604206 has 4 divisors (see below), whose sum is σ = 930906312. Its totient is φ = 310302102.

The previous prime is 620604191. The next prime is 620604223. The reversal of 620604206 is 602406026.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155151050 + ... + 155151053.

It is an arithmetic number, because the mean of its divisors is an integer number (232726578).

Almost surely, 2^620604206 is an apocalyptic number.

620604206 is a deficient number, since it is larger than the sum of its proper divisors (310302106).

620604206 is a wasteful number, since it uses less digits than its factorization.

620604206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310302105.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 620604206 is about 24911.9289899438. The cubic root of 620604206 is about 852.9788017328.

It can be divided in two parts, 62060 and 4206, that added together give a palindrome (66266).

The spelling of 620604206 in words is "six hundred twenty million, six hundred four thousand, two hundred six".