211053620 has 24 divisors (see below), whose sum is σ = 450727200. Its totient is φ = 82990112.

The previous prime is 211053613. The next prime is 211053659. The reversal of 211053620 is 26350112.

211053620 is digitally balanced in base 3, 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 211053592 and 211053601.

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, 88250 + ... + 90609.

It is an arithmetic number, because the mean of its divisors is an integer number (18780300).

Almost surely, 2^211053620 is an apocalyptic number.

211053620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211053620 is an abundant number, since it is smaller than the sum of its proper divisors (239673580).

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

211053620 is a wasteful number, since it uses less digits than its factorization.

211053620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178927 (or 178925 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 211053620 is about 14527.6846056073. The cubic root of 211053620 is about 595.3846064563.

The spelling of 211053620 in words is "two hundred eleven million, fifty-three thousand, six hundred twenty".