200120020101010 has 32 divisors (see below), whose sum is σ = 367815834749232. Its totient is φ = 78375171916800.

The previous prime is 200120020100989. The next prime is 200120020101013. The reversal of 200120020101010 is 10101020021002.

It can be written as a sum of positive squares in 8 ways, for example, as 151316396951329 + 48803623149681 = 12301073^2 + 6985959^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (200120020101013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1000400041 + ... + 1000600060.

Almost surely, 2^{200120020101010} is an apocalyptic number.

200120020101010 is a deficient number, since it is larger than the sum of its proper divisors (167695814648222).

200120020101010 is a wasteful number, since it uses less digits than its factorization.

200120020101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001000318.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 200120020101010 its reverse (10101020021002), we get a palindrome (210221040122012).

The spelling of 200120020101010 in words is "two hundred trillion, one hundred twenty billion, twenty million, one hundred one thousand, ten".