20012215332 has 24 divisors (see below), whose sum is σ = 46704330400. Its totient is φ = 6669429696.

The previous prime is 20012215273. The next prime is 20012215361. The reversal of 20012215332 is 23351221002.

It is a junction number, because it is equal to n+sod(n) for n = 20012215299 and 20012215308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98857 + ... + 223152.

Almost surely, 2^20012215332 is an apocalyptic number.

It is an amenable number.

20012215332 is an abundant number, since it is smaller than the sum of its proper divisors (26692115068).

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

20012215332 is a wasteful number, since it uses less digits than its factorization.

20012215332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327195 (or 327193 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 20012215332 its reverse (23351221002), we get a palindrome (43363436334).

The spelling of 20012215332 in words is "twenty billion, twelve million, two hundred fifteen thousand, three hundred thirty-two".