20019291829092 has 36 divisors (see below), whose sum is σ = 50801225008716. Its totient is φ = 6647131914240.

The previous prime is 20019291829039. The next prime is 20019291829109. The reversal of 20019291829092 is 29092819291002.

20019291829092 is a `hidden beast` number, since 200 + 1 + 92 + 9 + 182 + 90 + 92 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11259017858916 + 8760273970176 = 3355446^2 + 2959776^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1081880709 + ... + 1081899212.

It is an arithmetic number, because the mean of its divisors is an integer number (1411145139131).

Almost surely, 2^{20019291829092} is an apocalyptic number.

It is an amenable number.

20019291829092 is an abundant number, since it is smaller than the sum of its proper divisors (30781933179624).

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

20019291829092 is a wasteful number, since it uses less digits than its factorization.

20019291829092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163780188 (or 2163780183 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The spelling of 20019291829092 in words is "twenty trillion, nineteen billion, two hundred ninety-one million, eight hundred twenty-nine thousand, ninety-two".