212020444 has 24 divisors (see below), whose sum is σ = 382258800. Its totient is φ = 102837504.

The previous prime is 212020433. The next prime is 212020483. The reversal of 212020444 is 444020212.

212020444 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21492 + ... + 29764.

It is an arithmetic number, because the mean of its divisors is an integer number (15927450).

Almost surely, 2^212020444 is an apocalyptic number.

It is an amenable number.

212020444 is a deficient number, since it is larger than the sum of its proper divisors (170238356).

212020444 is a wasteful number, since it uses less digits than its factorization.

212020444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469 (or 8467 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 212020444 is about 14560.9218114788. The cubic root of 212020444 is about 596.2923621539.

Adding to 212020444 its reverse (444020212), we get a palindrome (656040656).

The spelling of 212020444 in words is "two hundred twelve million, twenty thousand, four hundred forty-four".