20513130001 has 32 divisors (see below), whose sum is σ = 26111461376. Its totient is φ = 15676416000.

The previous prime is 20513129953. The next prime is 20513130007. The reversal of 20513130001 is 10003131502.

It is not a de Polignac number, because 20513130001 - 2⁷ = 20513129873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20513130007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1519441 + ... + 1532881.

It is an arithmetic number, because the mean of its divisors is an integer number (815983168).

Almost surely, 2^20513130001 is an apocalyptic number.

It is an amenable number.

20513130001 is a deficient number, since it is larger than the sum of its proper divisors (5598331375).

20513130001 is a wasteful number, since it uses less digits than its factorization.

20513130001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14033.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 20513130001 its reverse (10003131502), we get a palindrome (30516261503).

The spelling of 20513130001 in words is "twenty billion, five hundred thirteen million, one hundred thirty thousand, one".