20042323224 has 128 divisors (see below), whose sum is σ = 63054028800. Its totient is φ = 5157095040.

The previous prime is 20042323201. The next prime is 20042323241. The reversal of 20042323224 is 42232324002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20042323194 and 20042323203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147057 + ... + 248415.

It is an arithmetic number, because the mean of its divisors is an integer number (492609600).

Almost surely, 2^20042323224 is an apocalyptic number.

20042323224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20042323224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31527014400).

20042323224 is an abundant number, since it is smaller than the sum of its proper divisors (43011705576).

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

20042323224 is a wasteful number, since it uses less digits than its factorization.

20042323224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101493 (or 101489 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 20042323224 its reverse (42232324002), we get a palindrome (62274647226).

The spelling of 20042323224 in words is "twenty billion, forty-two million, three hundred twenty-three thousand, two hundred twenty-four".