200380699936921 has 27 divisors (see below), whose sum is σ = 246012128857791. Its totient is φ = 162713626032384.

The previous prime is 200380699936873. The next prime is 200380699936931. The reversal of 200380699936921 is 129639996083002.

It is a happy number.

The square root of 200380699936921 is 14155589.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 141709144347225 + 58671555589696 = 11904165^2 + 7659736^2 .

It is not a de Polignac number, because 200380699936921 - 2¹⁷ = 200380699805849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200380699936931) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1882640121 + ... + 1882746553.

Almost surely, 2^{200380699936921} is an apocalyptic number.

200380699936921 is the 14155589-th square number.

200380699936921 is the 7077795-th centered octagonal number.

It is an amenable number.

200380699936921 is a deficient number, since it is larger than the sum of its proper divisors (45631428920870).

200380699936921 is an frugal number, since it uses more digits than its factorization.

200380699936921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212918 (or 106459 counting only the distinct ones).

The product of its (nonzero) digits is 68024448, while the sum is 67.

The spelling of 200380699936921 in words is "two hundred trillion, three hundred eighty billion, six hundred ninety-nine million, nine hundred thirty-six thousand, nine hundred twenty-one".