211074020 has 12 divisors (see below), whose sum is σ = 443255484. Its totient is φ = 84429600.

The previous prime is 211073999. The next prime is 211074029. The reversal of 211074020 is 20470112.

It can be written as a sum of positive squares in 2 ways, for example, as 74511424 + 136562596 = 8632^2 + 11686^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 211074020.

It is not an unprimeable number, because it can be changed into a prime (211074029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5276831 + ... + 5276870.

It is an arithmetic number, because the mean of its divisors is an integer number (36937957).

Almost surely, 2^211074020 is an apocalyptic number.

211074020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211074020 is an abundant number, since it is smaller than the sum of its proper divisors (232181464).

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

211074020 is a wasteful number, since it uses less digits than its factorization.

211074020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10553710 (or 10553708 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 211074020 is about 14528.3866963954. The cubic root of 211074020 is about 595.4037887138.

The spelling of 211074020 in words is "two hundred eleven million, seventy-four thousand, twenty".