200120101993 has 48 divisors (see below), whose sum is σ = 246955153536. Its totient is φ = 158775552000.

The previous prime is 200120101969. The next prime is 200120101997. The reversal of 200120101993 is 399101021002.

It is not a de Polignac number, because 200120101993 - 2⁹ = 200120101481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200120101997) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33613705 + ... + 33619657.

It is an arithmetic number, because the mean of its divisors is an integer number (5144899032).

Almost surely, 2^200120101993 is an apocalyptic number.

It is an amenable number.

200120101993 is a deficient number, since it is larger than the sum of its proper divisors (46835051543).

200120101993 is a wasteful number, since it uses less digits than its factorization.

200120101993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6302 (or 6283 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

Adding to 200120101993 its reverse (399101021002), we get a palindrome (599221122995).

The spelling of 200120101993 in words is "two hundred billion, one hundred twenty million, one hundred one thousand, nine hundred ninety-three".