20132220023 has 4 divisors (see below), whose sum is σ = 20320371720. Its totient is φ = 19944068328.

The previous prime is 20132220019. The next prime is 20132220049. The reversal of 20132220023 is 32002223102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32002223102 = 2 ⋅16001111551.

It is a cyclic number.

It is not a de Polignac number, because 20132220023 - 2² = 20132220019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20132219983 and 20132220010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132220223) 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, 94075688 + ... + 94075901.

It is an arithmetic number, because the mean of its divisors is an integer number (5080092930).

Almost surely, 2^20132220023 is an apocalyptic number.

20132220023 is a deficient number, since it is larger than the sum of its proper divisors (188151697).

20132220023 is a wasteful number, since it uses less digits than its factorization.

20132220023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188151696.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 20132220023 its reverse (32002223102), we get a palindrome (52134443125).

The spelling of 20132220023 in words is "twenty billion, one hundred thirty-two million, two hundred twenty thousand, twenty-three".