20012200233320 has 64 divisors (see below), whose sum is σ = 45331709346000. Its totient is φ = 7950794526720.

The previous prime is 20012200233229. The next prime is 20012200233341. The reversal of 20012200233320 is 2333200221002.

It can be written as a sum of positive squares in 8 ways, for example, as 14972459044 + 19997227774276 = 122362^2 + 4471826^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20012200233292 and 20012200233301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158717342 + ... + 158843378.

Almost surely, 2^{20012200233320} is an apocalyptic number.

20012200233320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20012200233320 is an abundant number, since it is smaller than the sum of its proper divisors (25319509112680).

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

20012200233320 is a wasteful number, since it uses less digits than its factorization.

20012200233320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152838 (or 152834 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 20012200233320 its reverse (2333200221002), we get a palindrome (22345400454322).

The spelling of 20012200233320 in words is "twenty trillion, twelve billion, two hundred million, two hundred thirty-three thousand, three hundred twenty".