20223013320 has 48 divisors (see below), whose sum is σ = 65724794460. Its totient is φ = 5392803456.

The previous prime is 20223013303. The next prime is 20223013331. The reversal of 20223013320 is 2331032202.

It is a happy number.

20223013320 is a `hidden beast` number, since 20 + 22 + 301 + 3 + 320 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 20123692164 + 99321156 = 141858^2 + 9966^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 20223013293 and 20223013302.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28087159 + ... + 28087878.

Almost surely, 2^20223013320 is an apocalyptic number.

20223013320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20223013320 is an abundant number, since it is smaller than the sum of its proper divisors (45501781140).

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

20223013320 is a wasteful number, since it uses less digits than its factorization.

20223013320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56175054 (or 56175047 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

Adding to 20223013320 its reverse (2331032202), we get a palindrome (22554045522).

The spelling of 20223013320 in words is "twenty billion, two hundred twenty-three million, thirteen thousand, three hundred twenty".