4020206 has 4 divisors (see below), whose sum is σ = 6030312. Its totient is φ = 2010102.

The previous prime is 4020197. The next prime is 4020217. The reversal of 4020206 is 6020204.

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, 1005050 + ... + 1005053.

It is an arithmetic number, because the mean of its divisors is an integer number (1507578).

Almost surely, 2^4020206 is an apocalyptic number.

4020206 is a deficient number, since it is larger than the sum of its proper divisors (2010106).

4020206 is a wasteful number, since it uses less digits than its factorization.

4020206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010105.

The product of its (nonzero) digits is 96, while the sum is 14.

The square root of 4020206 is about 2005.0451366490. The cubic root of 4020206 is about 159.0069482612.

The spelling of 4020206 in words is "four million, twenty thousand, two hundred six".