20119069 has 8 divisors (see below), whose sum is σ = 21321720. Its totient is φ = 18950400.

The previous prime is 20119051. The next prime is 20119091. The reversal of 20119069 is 96091102.

It can be written as a sum of positive squares in 4 ways, for example, as 1092025 + 19027044 = 1045^2 + 4362^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20119069 - 2⁵ = 20119037 is a prime.

It is a super-2 number, since 2×20119069² = 809553874853522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20119049) 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, 7272 + ... + 9649.

It is an arithmetic number, because the mean of its divisors is an integer number (2665215).

Almost surely, 2^20119069 is an apocalyptic number.

20119069 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

20119069 is a deficient number, since it is larger than the sum of its proper divisors (1202651).

20119069 is a wasteful number, since it uses less digits than its factorization.

20119069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16991.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 20119069 is about 4485.4285191049. The cubic root of 20119069 is about 271.9793678482.

The spelling of 20119069 in words is "twenty million, one hundred nineteen thousand, sixty-nine".