20632542 has 16 divisors (see below), whose sum is σ = 47160192. Its totient is φ = 5895000.

The previous prime is 20632523. The next prime is 20632567. The reversal of 20632542 is 24523602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245584 + ... + 245667.

It is an arithmetic number, because the mean of its divisors is an integer number (2947512).

Almost surely, 2^20632542 is an apocalyptic number.

20632542 is an abundant number, since it is smaller than the sum of its proper divisors (26527650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20632542 is a wasteful number, since it uses less digits than its factorization.

20632542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491263.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 20632542 is about 4542.3058021230. The cubic root of 20632542 is about 274.2737509508.

The spelling of 20632542 in words is "twenty million, six hundred thirty-two thousand, five hundred forty-two".