20519092 has 24 divisors (see below), whose sum is σ = 39426912. Its totient is φ = 9266400.

The previous prime is 20519077. The next prime is 20519099. The reversal of 20519092 is 29091502.

It is a self number, because there is not a number n which added to its sum of digits gives 20519092.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20519099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5742 + ... + 8602.

It is an arithmetic number, because the mean of its divisors is an integer number (1642788).

Almost surely, 2^20519092 is an apocalyptic number.

20519092 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20519092 is a deficient number, since it is larger than the sum of its proper divisors (18907820).

20519092 is a wasteful number, since it uses less digits than its factorization.

20519092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3039 (or 3037 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 20519092 is about 4529.8004371054. The cubic root of 20519092 is about 273.7701199393.

The spelling of 20519092 in words is "twenty million, five hundred nineteen thousand, ninety-two".