20542092 has 24 divisors (see below), whose sum is σ = 49585200. Its totient is φ = 6611136.

The previous prime is 20542073. The next prime is 20542099. The reversal of 20542092 is 29024502.

It is not an unprimeable number, because it can be changed into a prime (20542099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29167 + ... + 29862.

It is an arithmetic number, because the mean of its divisors is an integer number (2066050).

Almost surely, 2^20542092 is an apocalyptic number.

It is an amenable number.

20542092 is an abundant number, since it is smaller than the sum of its proper divisors (29043108).

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

20542092 is a wasteful number, since it uses less digits than its factorization.

20542092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59065 (or 59063 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 20542092 is about 4532.3384692673. The cubic root of 20542092 is about 273.8723720524.

Adding to 20542092 its reverse (29024502), we get a palindrome (49566594).

The spelling of 20542092 in words is "twenty million, five hundred forty-two thousand, ninety-two".