2142420332 has 12 divisors (see below), whose sum is σ = 4037638416. Its totient is φ = 988809360.

The previous prime is 2142420271. The next prime is 2142420337. The reversal of 2142420332 is 2330242412.

It is a junction number, because it is equal to n+sod(n) for n = 2142420298 and 2142420307.

It is not an unprimeable number, because it can be changed into a prime (2142420337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20600144 + ... + 20600247.

It is an arithmetic number, because the mean of its divisors is an integer number (336469868).

Almost surely, 2^2142420332 is an apocalyptic number.

It is an amenable number.

2142420332 is a deficient number, since it is larger than the sum of its proper divisors (1895218084).

2142420332 is a wasteful number, since it uses less digits than its factorization.

2142420332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41200408 (or 41200406 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 2142420332 is about 46286.2866516639. The cubic root of 2142420332 is about 1289.1443822427.

Adding to 2142420332 its reverse (2330242412), we get a palindrome (4472662744).

The spelling of 2142420332 in words is "two billion, one hundred forty-two million, four hundred twenty thousand, three hundred thirty-two".