20210132023 has 4 divisors (see below), whose sum is σ = 20640134880. Its totient is φ = 19780129168.

The previous prime is 20210132011. The next prime is 20210132057. The reversal of 20210132023 is 32023101202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32023101202 = 2 ⋅16011550601.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20210132023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20210131988 and 20210132006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20210132123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215001358 + ... + 215001451.

It is an arithmetic number, because the mean of its divisors is an integer number (5160033720).

Almost surely, 2^20210132023 is an apocalyptic number.

20210132023 is a deficient number, since it is larger than the sum of its proper divisors (430002857).

20210132023 is an equidigital number, since it uses as much as digits as its factorization.

20210132023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430002856.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 20210132023 its reverse (32023101202), we get a palindrome (52233233225).

The spelling of 20210132023 in words is "twenty billion, two hundred ten million, one hundred thirty-two thousand, twenty-three".