20423221041 has 8 divisors (see below), whose sum is σ = 27270833760. Its totient is φ = 13595544512.

The previous prime is 20423221037. The next prime is 20423221061. The reversal of 20423221041 is 14012232402.

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

It is a cyclic number.

It is not a de Polignac number, because 20423221041 - 2² = 20423221037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20423220999 and 20423221017.

It is not an unprimeable number, because it can be changed into a prime (20423221061) 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, 4981656 + ... + 4985753.

It is an arithmetic number, because the mean of its divisors is an integer number (3408854220).

Almost surely, 2^20423221041 is an apocalyptic number.

It is an amenable number.

20423221041 is a deficient number, since it is larger than the sum of its proper divisors (6847612719).

20423221041 is an equidigital number, since it uses as much as digits as its factorization.

20423221041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9968095.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 20423221041 its reverse (14012232402), we get a palindrome (34435453443).

The spelling of 20423221041 in words is "twenty billion, four hundred twenty-three million, two hundred twenty-one thousand, forty-one".