212207020 has 12 divisors (see below), whose sum is σ = 445634784. Its totient is φ = 84882800.

The previous prime is 212207003. The next prime is 212207041. The reversal of 212207020 is 20702212.

It is a junction number, because it is equal to n+sod(n) for n = 212206985 and 212207003.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5305156 + ... + 5305195.

It is an arithmetic number, because the mean of its divisors is an integer number (37136232).

Almost surely, 2^212207020 is an apocalyptic number.

212207020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212207020 is an abundant number, since it is smaller than the sum of its proper divisors (233427764).

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

212207020 is a wasteful number, since it uses less digits than its factorization.

212207020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610360 (or 10610358 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 212207020 is about 14567.3271398702. The cubic root of 212207020 is about 596.4672214324.

Adding to 212207020 its reverse (20702212), we get a palindrome (232909232).

The spelling of 212207020 in words is "two hundred twelve million, two hundred seven thousand, twenty".