20213528266050 has 192 divisors, whose sum is σ = 58150775612160. Its totient is φ = 4551381550080.

The previous prime is 20213528266021. The next prime is 20213528266067. The reversal of 20213528266050 is 5066282531202.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 20213528265993 and 20213528266011.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19289404 + ... + 20310296.

It is an arithmetic number, because the mean of its divisors is an integer number (302868622980).

Almost surely, 2^{20213528266050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20213528266050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29075387806080).

20213528266050 is an abundant number, since it is smaller than the sum of its proper divisors (37937247346110).

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

20213528266050 is a wasteful number, since it uses less digits than its factorization.

20213528266050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021197 (or 1021192 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 20213528266050 in words is "twenty trillion, two hundred thirteen billion, five hundred twenty-eight million, two hundred sixty-six thousand, fifty".