20533413415 has 16 divisors (see below), whose sum is σ = 25717196736. Its totient is φ = 15708985600.

The previous prime is 20533413391. The next prime is 20533413437. The reversal of 20533413415 is 51431433502.

It is not a de Polignac number, because 20533413415 - 2⁹ = 20533412903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566745 + ... + 601885.

It is an arithmetic number, because the mean of its divisors is an integer number (1607324796).

Almost surely, 2^20533413415 is an apocalyptic number.

20533413415 is a deficient number, since it is larger than the sum of its proper divisors (5183783321).

20533413415 is a wasteful number, since it uses less digits than its factorization.

20533413415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40250.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 20533413415 its reverse (51431433502), we get a palindrome (71964846917).

The spelling of 20533413415 in words is "twenty billion, five hundred thirty-three million, four hundred thirteen thousand, four hundred fifteen".