20223401024 has 56 divisors (see below), whose sum is σ = 41541115800. Its totient is φ = 9756794880.

The previous prime is 20223401021. The next prime is 20223401039. The reversal of 20223401024 is 42010432202.

It can be written as a sum of positive squares in 4 ways, for example, as 623401024 + 19600000000 = 24968^2 + 140000^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20223400987 and 20223401005.

It is not an unprimeable number, because it can be changed into a prime (20223401021) 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, 4431704 + ... + 4436264.

Almost surely, 2^20223401024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20223401024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20770557900).

20223401024 is an abundant number, since it is smaller than the sum of its proper divisors (21317714776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20223401024 is a wasteful number, since it uses less digits than its factorization.

20223401024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6991 (or 6981 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20223401024 its reverse (42010432202), we get a palindrome (62233833226).

The spelling of 20223401024 in words is "twenty billion, two hundred twenty-three million, four hundred one thousand, twenty-four".