20412223020 has 144 divisors (see below), whose sum is σ = 73872902880. Its totient is φ = 4665644928.

The previous prime is 20412222997. The next prime is 20412223021. The reversal of 20412223020 is 2032221402.

20412223020 is a `hidden beast` number, since 2 + 0 + 412 + 2 + 230 + 20 = 666.

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 = 20412222984 and 20412223002.

It is not an unprimeable number, because it can be changed into a prime (20412223021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 359259 + ... + 412178.

It is an arithmetic number, because the mean of its divisors is an integer number (513006270).

Almost surely, 2^20412223020 is an apocalyptic number.

20412223020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20412223020 is an abundant number, since it is smaller than the sum of its proper divisors (53460679860).

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

20412223020 is a wasteful number, since it uses less digits than its factorization.

20412223020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771469 (or 771454 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 20412223020 its reverse (2032221402), we get a palindrome (22444444422).

The spelling of 20412223020 in words is "twenty billion, four hundred twelve million, two hundred twenty-three thousand, twenty".