206620412 has 12 divisors (see below), whose sum is σ = 361716096. Its totient is φ = 103272960.

The previous prime is 206620411. The next prime is 206620417. The reversal of 206620412 is 214026602.

206620412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206620411) 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, 5948 + ... + 21180.

It is an arithmetic number, because the mean of its divisors is an integer number (30143008).

Almost surely, 2^206620412 is an apocalyptic number.

It is an amenable number.

206620412 is a deficient number, since it is larger than the sum of its proper divisors (155095684).

206620412 is a wasteful number, since it uses less digits than its factorization.

206620412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18628 (or 18626 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 206620412 is about 14374.2969219367. The cubic root of 206620412 is about 591.1863632386.

The spelling of 206620412 in words is "two hundred six million, six hundred twenty thousand, four hundred twelve".