211020120 has 64 divisors (see below), whose sum is σ = 703404000. Its totient is φ = 56271744.

The previous prime is 211020119. The next prime is 211020127. The reversal of 211020120 is 21020112.

211020120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211020127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96615 + ... + 98774.

Almost surely, 2^211020120 is an apocalyptic number.

211020120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211020120 is an abundant number, since it is smaller than the sum of its proper divisors (492383880).

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

211020120 is a wasteful number, since it uses less digits than its factorization.

211020120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195409 (or 195399 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 211020120 is about 14526.5315887861. The cubic root of 211020120 is about 595.3531034988.

Adding to 211020120 its reverse (21020112), we get a palindrome (232040232).

The spelling of 211020120 in words is "two hundred eleven million, twenty thousand, one hundred twenty".