20201210019 has 12 divisors (see below), whose sum is σ = 29212808976. Its totient is φ = 13452111792.

The previous prime is 20201209981. The next prime is 20201210033. The reversal of 20201210019 is 91001210202.

It is not a de Polignac number, because 20201210019 - 2²⁴ = 20184432803 is a prime.

It is a super-2 number, since 2×20201210019² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20201209983 and 20201210010.

It is not an unprimeable number, because it can be changed into a prime (20201212019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1271799 + ... + 1287584.

It is an arithmetic number, because the mean of its divisors is an integer number (2434400748).

Almost surely, 2^20201210019 is an apocalyptic number.

20201210019 is a deficient number, since it is larger than the sum of its proper divisors (9011598957).

20201210019 is a wasteful number, since it uses less digits than its factorization.

20201210019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2560266 (or 2560263 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The spelling of 20201210019 in words is "twenty billion, two hundred one million, two hundred ten thousand, nineteen".