2120021132 has 12 divisors (see below), whose sum is σ = 3712897776. Its totient is φ = 1059193200.

The previous prime is 2120021119. The next prime is 2120021161. The reversal of 2120021132 is 2311200212.

It is a happy number.

It is a super-2 number, since 2×2120021132² = 8988979200253122848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198488 + ... + 208895.

It is an arithmetic number, because the mean of its divisors is an integer number (309408148).

Almost surely, 2^2120021132 is an apocalyptic number.

It is an amenable number.

2120021132 is a deficient number, since it is larger than the sum of its proper divisors (1592876644).

2120021132 is a wasteful number, since it uses less digits than its factorization.

2120021132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408688 (or 408686 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2120021132 is about 46043.6872111694. The cubic root of 2120021132 is about 1284.6359260688.

Adding to 2120021132 its reverse (2311200212), we get a palindrome (4431221344).

The spelling of 2120021132 in words is "two billion, one hundred twenty million, twenty-one thousand, one hundred thirty-two".