20011243119 has 8 divisors (see below), whose sum is σ = 30493322880. Its totient is φ = 11434996056.

The previous prime is 20011243073. The next prime is 20011243129. The reversal of 20011243119 is 91134211002.

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

It is not a de Polignac number, because 20011243119 - 2¹⁶ = 20011177583 is a prime.

It is a super-2 number, since 2×20011243119² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20011243129) 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, 476458149 + ... + 476458190.

It is an arithmetic number, because the mean of its divisors is an integer number (3811665360).

Almost surely, 2^20011243119 is an apocalyptic number.

20011243119 is a deficient number, since it is larger than the sum of its proper divisors (10482079761).

20011243119 is an equidigital number, since it uses as much as digits as its factorization.

20011243119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952916349.

The product of its (nonzero) digits is 432, while the sum is 24.

The spelling of 20011243119 in words is "twenty billion, eleven million, two hundred forty-three thousand, one hundred nineteen".