20412242023 has 4 divisors (see below), whose sum is σ = 21612962160. Its totient is φ = 19211521888.

The previous prime is 20412242003. The next prime is 20412242033. The reversal of 20412242023 is 32024221402.

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 20412242023 - 2²⁵ = 20378687591 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20412241985 and 20412242003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20412242003) 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, 600360043 + ... + 600360076.

It is an arithmetic number, because the mean of its divisors is an integer number (5403240540).

Almost surely, 2^20412242023 is an apocalyptic number.

20412242023 is a deficient number, since it is larger than the sum of its proper divisors (1200720137).

20412242023 is a wasteful number, since it uses less digits than its factorization.

20412242023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200720136.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 20412242023 its reverse (32024221402), we get a palindrome (52436463425).

The spelling of 20412242023 in words is "twenty billion, four hundred twelve million, two hundred forty-two thousand, twenty-three".