20000012019 has 16 divisors (see below), whose sum is σ = 28773116064. Its totient is φ = 12284064000.

The previous prime is 20000011963. The next prime is 20000012029. The reversal of 20000012019 is 91021000002.

It is a happy number.

It is not a de Polignac number, because 20000012019 - 2⁸ = 20000011763 is a prime.

It is a super-2 number, since 2×20000012019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20000011989 and 20000012007.

It is not an unprimeable number, because it can be changed into a prime (20000012029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471832 + ... + 512469.

It is an arithmetic number, because the mean of its divisors is an integer number (1798319754).

Almost surely, 2^20000012019 is an apocalyptic number.

20000012019 is a deficient number, since it is larger than the sum of its proper divisors (8773104045).

20000012019 is a wasteful number, since it uses less digits than its factorization.

20000012019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984838.

The product of its (nonzero) digits is 36, while the sum is 15.

The spelling of 20000012019 in words is "twenty billion, twelve thousand, nineteen".