20424233020 has 12 divisors (see below), whose sum is σ = 42890889384. Its totient is φ = 8169693200.

The previous prime is 20424232999. The next prime is 20424233021. The reversal of 20424233020 is 2033242402.

It is a junction number, because it is equal to n+sod(n) for n = 20424232982 and 20424233000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20424233021) 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, 510605806 + ... + 510605845.

It is an arithmetic number, because the mean of its divisors is an integer number (3574240782).

Almost surely, 2^20424233020 is an apocalyptic number.

20424233020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20424233020 is an abundant number, since it is smaller than the sum of its proper divisors (22466656364).

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

20424233020 is a wasteful number, since it uses less digits than its factorization.

20424233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1021211660 (or 1021211658 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20424233020 its reverse (2033242402), we get a palindrome (22457475422).

The spelling of 20424233020 in words is "twenty billion, four hundred twenty-four million, two hundred thirty-three thousand, twenty".