210450020016 has 160 divisors (see below), whose sum is σ = 564365148160. Its totient is φ = 67529210112.

The previous prime is 210450020009. The next prime is 210450020071. The reversal of 210450020016 is 610020054012.

It is a junction number, because it is equal to n+sod(n) for n = 210450019974 and 210450020001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147891081 + ... + 147892503.

It is an arithmetic number, because the mean of its divisors is an integer number (3527282176).

Almost surely, 2^210450020016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 210450020016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282182574080).

210450020016 is an abundant number, since it is smaller than the sum of its proper divisors (353915128144).

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

210450020016 is a wasteful number, since it uses less digits than its factorization.

210450020016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2463 (or 2457 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 210450020016 its reverse (610020054012), we get a palindrome (820470074028).

The spelling of 210450020016 in words is "two hundred ten billion, four hundred fifty million, twenty thousand, sixteen".