20103232011 has 16 divisors (see below), whose sum is σ = 27192236544. Its totient is φ = 13209463904.

The previous prime is 20103232007. The next prime is 20103232021. The reversal of 20103232011 is 11023230102.

It is a cyclic number.

It is not a de Polignac number, because 20103232011 - 2² = 20103232007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20103232021) 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, 95715 + ... + 222188.

It is an arithmetic number, because the mean of its divisors is an integer number (1699514784).

Almost surely, 2^20103232011 is an apocalyptic number.

20103232011 is a deficient number, since it is larger than the sum of its proper divisors (7089004533).

20103232011 is a wasteful number, since it uses less digits than its factorization.

20103232011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318210.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 20103232011 its reverse (11023230102), we get a palindrome (31126462113).

The spelling of 20103232011 in words is "twenty billion, one hundred three million, two hundred thirty-two thousand, eleven".