20032211051 has 4 divisors (see below), whose sum is σ = 20034777600. Its totient is φ = 20029644504.

The previous prime is 20032211027. The next prime is 20032211063. The reversal of 20032211051 is 15011223002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20032211051 - 2²⁶ = 19965102187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20032211011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1271531 + ... + 1287188.

It is an arithmetic number, because the mean of its divisors is an integer number (5008694400).

Almost surely, 2^20032211051 is an apocalyptic number.

20032211051 is a deficient number, since it is larger than the sum of its proper divisors (2566549).

20032211051 is an equidigital number, since it uses as much as digits as its factorization.

20032211051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2566548.

The product of its (nonzero) digits is 120, while the sum is 17.

Adding to 20032211051 its reverse (15011223002), we get a palindrome (35043434053).

The spelling of 20032211051 in words is "twenty billion, thirty-two million, two hundred eleven thousand, fifty-one".