20232442 has 4 divisors (see below), whose sum is σ = 30348666. Its totient is φ = 10116220.

The previous prime is 20232437. The next prime is 20232467. The reversal of 20232442 is 24423202.

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., 17131321 + 3101121 = 4139^2 + 1761^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5058109 + ... + 5058112.

Almost surely, 2^20232442 is an apocalyptic number.

20232442 is a deficient number, since it is larger than the sum of its proper divisors (10116224).

20232442 is a wasteful number, since it uses less digits than its factorization.

20232442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116223.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 20232442 is about 4498.0486880424. The cubic root of 20232442 is about 272.4892883593.

Adding to 20232442 its reverse (24423202), we get a palindrome (44655644).

It can be divided in two parts, 2023 and 2442, that added together give a triangular number (4465 = T₉₄).

The spelling of 20232442 in words is "twenty million, two hundred thirty-two thousand, four hundred forty-two".