210053920 has 48 divisors (see below), whose sum is σ = 498113280. Its totient is φ = 83706624.

The previous prime is 210053903. The next prime is 210053933. The reversal of 210053920 is 29350012.

It is a junction number, because it is equal to n+sod(n) for n = 210053891 and 210053900.

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, 42961 + ... + 47599.

It is an arithmetic number, because the mean of its divisors is an integer number (10377360).

Almost surely, 2^210053920 is an apocalyptic number.

210053920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210053920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249056640).

210053920 is an abundant number, since it is smaller than the sum of its proper divisors (288059360).

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

210053920 is a wasteful number, since it uses less digits than its factorization.

210053920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937 (or 4929 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 210053920 is about 14493.2370435317. The cubic root of 210053920 is about 594.4430633470.

The spelling of 210053920 in words is "two hundred ten million, fifty-three thousand, nine hundred twenty".