2920143442 has 4 divisors (see below), whose sum is σ = 4380215166. Its totient is φ = 1460071720.

The previous prime is 2920143437. The next prime is 2920143469. The reversal of 2920143442 is 2443410292.

2920143442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1922910201 + 997233241 = 43851^2 + 31579^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 730035859 + ... + 730035862.

Almost surely, 2^2920143442 is an apocalyptic number.

2920143442 is a deficient number, since it is larger than the sum of its proper divisors (1460071724).

2920143442 is a wasteful number, since it uses less digits than its factorization.

2920143442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460071723.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 2920143442 is about 54038.3515847773. The cubic root of 2920143442 is about 1429.3373039054.

The spelling of 2920143442 in words is "two billion, nine hundred twenty million, one hundred forty-three thousand, four hundred forty-two".