20204231023 has 8 divisors (see below), whose sum is σ = 20411336448. Its totient is φ = 19997464344.

The previous prime is 20204231011. The next prime is 20204231051. The reversal of 20204231023 is 32013240202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20204231023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20204231053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36090 + ... + 204232.

It is an arithmetic number, because the mean of its divisors is an integer number (2551417056).

Almost surely, 2^20204231023 is an apocalyptic number.

20204231023 is a deficient number, since it is larger than the sum of its proper divisors (207105425).

20204231023 is a wasteful number, since it uses less digits than its factorization.

20204231023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169373.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 20204231023 its reverse (32013240202), we get a palindrome (52217471225).

The spelling of 20204231023 in words is "twenty billion, two hundred four million, two hundred thirty-one thousand, twenty-three".