210020432011 has 16 divisors (see below), whose sum is σ = 226595319328. Its totient is φ = 193505760000.

The previous prime is 210020431991. The next prime is 210020432023. The reversal of 210020432011 is 110234020012.

It is a cyclic number.

It is not a de Polignac number, because 210020432011 - 2²¹ = 210018334859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210020432911) 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, 23328511 + ... + 23337511.

It is an arithmetic number, because the mean of its divisors is an integer number (14162207458).

Almost surely, 2^210020432011 is an apocalyptic number.

210020432011 is a deficient number, since it is larger than the sum of its proper divisors (16574887317).

210020432011 is a wasteful number, since it uses less digits than its factorization.

210020432011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 210020432011 its reverse (110234020012), we get a palindrome (320254452023).

The spelling of 210020432011 in words is "two hundred ten billion, twenty million, four hundred thirty-two thousand, eleven".