120220021332 has 36 divisors (see below), whose sum is σ = 304084566240. Its totient is φ = 40047617232.

The previous prime is 120220021321. The next prime is 120220021343. The reversal of 120220021332 is 233120022021.

It is an interprime number because it is at equal distance from previous prime (120220021321) and next prime (120220021343).

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

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, 1014898 + ... + 1127145.

Almost surely, 2^120220021332 is an apocalyptic number.

120220021332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120220021332 is an abundant number, since it is smaller than the sum of its proper divisors (183864544908).

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

120220021332 is a wasteful number, since it uses less digits than its factorization.

120220021332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2143612 (or 2143607 counting only the distinct ones).

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

Adding to 120220021332 its reverse (233120022021), we get a palindrome (353340043353).

The spelling of 120220021332 in words is "one hundred twenty billion, two hundred twenty million, twenty-one thousand, three hundred thirty-two".