200120021050 has 48 divisors (see below), whose sum is σ = 384315973632. Its totient is φ = 77448571200.

The previous prime is 200120021039. The next prime is 200120021069. The reversal of 200120021050 is 50120021002.

It is a self number, because there is not a number n which added to its sum of digits gives 200120021050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8626567 + ... + 8649733.

It is an arithmetic number, because the mean of its divisors is an integer number (8006582784).

Almost surely, 2^200120021050 is an apocalyptic number.

200120021050 is a deficient number, since it is larger than the sum of its proper divisors (184195952582).

200120021050 is a wasteful number, since it uses less digits than its factorization.

200120021050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28783 (or 28778 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

Adding to 200120021050 its reverse (50120021002), we get a palindrome (250240042052).

The spelling of 200120021050 in words is "two hundred billion, one hundred twenty million, twenty-one thousand, fifty".