210020150305530 has 128 divisors (see below), whose sum is σ = 563661450293760. Its totient is φ = 55645166108160.

The previous prime is 210020150305507. The next prime is 210020150305561. The reversal of 210020150305530 is 35503051020012.

It is a happy number.

210020150305530 is a `hidden beast` number, since 2 + 10 + 0 + 20 + 1 + 50 + 30 + 553 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 210020150305494 and 210020150305503.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51651627 + ... + 55569153.

It is an arithmetic number, because the mean of its divisors is an integer number (4403605080420).

Almost surely, 2^{210020150305530} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210020150305530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281830725146880).

210020150305530 is an abundant number, since it is smaller than the sum of its proper divisors (353641299988230).

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

210020150305530 is a wasteful number, since it uses less digits than its factorization.

210020150305530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3918821 (or 3918815 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The spelling of 210020150305530 in words is "two hundred ten trillion, twenty billion, one hundred fifty million, three hundred five thousand, five hundred thirty".