20572119 has 24 divisors (see below), whose sum is σ = 30702672. Its totient is φ = 13265280.

The previous prime is 20572099. The next prime is 20572121. The reversal of 20572119 is 91127502.

It is a de Polignac number, because none of the positive numbers 2^k-20572119 is a prime.

It is a super-2 number, since 2×20572119² = 846424160300322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20572092 and 20572101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20572199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 72552 + ... + 72834.

It is an arithmetic number, because the mean of its divisors is an integer number (1279278).

Almost surely, 2^20572119 is an apocalyptic number.

20572119 is a deficient number, since it is larger than the sum of its proper divisors (10130553).

20572119 is a wasteful number, since it uses less digits than its factorization.

20572119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 20572119 is about 4535.6497880679. The cubic root of 20572119 is about 274.0057496085.

The spelling of 20572119 in words is "twenty million, five hundred seventy-two thousand, one hundred nineteen".