20103735003513 has 8 divisors (see below), whose sum is σ = 30634262862528. Its totient is φ = 11487848573424.

The previous prime is 20103735003509. The next prime is 20103735003613. The reversal of 20103735003513 is 31530053730102.

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

It is not a de Polignac number, because 20103735003513 - 2² = 20103735003509 is a prime.

It is a super-2 number, since 2×20103735003513² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20103735003613) 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, 478660357206 + ... + 478660357247.

It is an arithmetic number, because the mean of its divisors is an integer number (3829282857816).

Almost surely, 2^{20103735003513} is an apocalyptic number.

It is an amenable number.

20103735003513 is a deficient number, since it is larger than the sum of its proper divisors (10530527859015).

20103735003513 is an equidigital number, since it uses as much as digits as its factorization.

20103735003513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957320714463.

The product of its (nonzero) digits is 28350, while the sum is 33.

Adding to 20103735003513 its reverse (31530053730102), we get a palindrome (51633788733615).

The spelling of 20103735003513 in words is "twenty trillion, one hundred three billion, seven hundred thirty-five million, three thousand, five hundred thirteen".