213626020 has 24 divisors (see below), whose sum is σ = 456220800. Its totient is φ = 84001632.

The previous prime is 213626011. The next prime is 213626027. The reversal of 213626020 is 20626312.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 213625982 and 213626000.

It is not an unprimeable number, because it can be changed into a prime (213626027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89340 + ... + 91699.

It is an arithmetic number, because the mean of its divisors is an integer number (19009200).

Almost surely, 2^213626020 is an apocalyptic number.

213626020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

213626020 is an abundant number, since it is smaller than the sum of its proper divisors (242594780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213626020 is a wasteful number, since it uses less digits than its factorization.

213626020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181107 (or 181105 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 213626020 is about 14615.9508756700. The cubic root of 213626020 is about 597.7937678800.

The spelling of 213626020 in words is "two hundred thirteen million, six hundred twenty-six thousand, twenty".