20532242 has 8 divisors (see below), whose sum is σ = 31514736. Its totient is φ = 10027332.

The previous prime is 20532233. The next prime is 20532263. The reversal of 20532242 is 24223502.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 119288 + ... + 119459.

It is an arithmetic number, because the mean of its divisors is an integer number (3939342).

Almost surely, 2^20532242 is an apocalyptic number.

20532242 is a deficient number, since it is larger than the sum of its proper divisors (10982494).

20532242 is a wasteful number, since it uses less digits than its factorization.

20532242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238792.

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 20532242 is about 4531.2517034480. The cubic root of 20532242 is about 273.8285908225.

Adding to 20532242 its reverse (24223502), we get a palindrome (44755744).

The spelling of 20532242 in words is "twenty million, five hundred thirty-two thousand, two hundred forty-two".