20120020120332 has 72 divisors (see below), whose sum is σ = 55492321462032. Its totient is φ = 6095894284800.

The previous prime is 20120020120327. The next prime is 20120020120393. The reversal of 20120020120332 is 23302102002102.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2269633 + ... + 6737304.

Almost surely, 2^{20120020120332} is an apocalyptic number.

20120020120332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20120020120332 is an abundant number, since it is smaller than the sum of its proper divisors (35372301341700).

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

20120020120332 is a wasteful number, since it uses less digits than its factorization.

20120020120332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9012599 (or 9012594 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 20120020120332 its reverse (23302102002102), we get a palindrome (43422122122434).

The spelling of 20120020120332 in words is "twenty trillion, one hundred twenty billion, twenty million, one hundred twenty thousand, three hundred thirty-two".