213204026 has 16 divisors (see below), whose sum is σ = 369043584. Its totient is φ = 90485424.

The previous prime is 213204007. The next prime is 213204037. The reversal of 213204026 is 620402312.

It is a junction number, because it is equal to n+sod(n) for n = 213203989 and 213204007.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72485 + ... + 75368.

It is an arithmetic number, because the mean of its divisors is an integer number (23065224).

Almost surely, 2^213204026 is an apocalyptic number.

213204026 is a deficient number, since it is larger than the sum of its proper divisors (155839558).

213204026 is a wasteful number, since it uses less digits than its factorization.

213204026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147965.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 213204026 is about 14601.5076618820. The cubic root of 213204026 is about 597.3998837876.

Adding to 213204026 its reverse (620402312), we get a palindrome (833606338).

The spelling of 213204026 in words is "two hundred thirteen million, two hundred four thousand, twenty-six".