20000010001203 has 24 divisors (see below), whose sum is σ = 28984872142512. Its totient is φ = 13289057503488.

The previous prime is 20000010001189. The next prime is 20000010001211. The reversal of 20000010001203 is 30210001000002.

It is a happy number.

It is not a de Polignac number, because 20000010001203 - 2³⁸ = 19725132094259 is a prime.

It is a super-2 number, since 2×20000010001203² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (20000010001603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21985975 + ... + 22877567.

It is an arithmetic number, because the mean of its divisors is an integer number (1207703005938).

Almost surely, 2^{20000010001203} is an apocalyptic number.

20000010001203 is a deficient number, since it is larger than the sum of its proper divisors (8984862141309).

20000010001203 is a wasteful number, since it uses less digits than its factorization.

20000010001203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899875 (or 899872 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

Adding to 20000010001203 its reverse (30210001000002), we get a palindrome (50210011001205).

The spelling of 20000010001203 in words is "twenty trillion, ten million, one thousand, two hundred three".