20322030020 has 24 divisors (see below), whose sum is σ = 42834922200. Its totient is φ = 8098591232.

The previous prime is 20322029977. The next prime is 20322030031. The reversal of 20322030020 is 2003022302.

It can be written as a sum of positive squares in 4 ways, for example, as 1775948164 + 18546081856 = 42142^2 + 136184^2 .

It is a junction number, because it is equal to n+sod(n) for n = 20322029977 and 20322030004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883285 + ... + 1894044.

It is an arithmetic number, because the mean of its divisors is an integer number (1784788425).

Almost surely, 2^20322030020 is an apocalyptic number.

20322030020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20322030020 is an abundant number, since it is smaller than the sum of its proper divisors (22512892180).

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

20322030020 is a wasteful number, since it uses less digits than its factorization.

20322030020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3777607 (or 3777605 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

Adding to 20322030020 its reverse (2003022302), we get a palindrome (22325052322).

The spelling of 20322030020 in words is "twenty billion, three hundred twenty-two million, thirty thousand, twenty".