20550341513 has 8 divisors (see below), whose sum is σ = 22132880448. Its totient is φ = 18968051664.

The previous prime is 20550341503. The next prime is 20550341519. The reversal of 20550341513 is 31514305502.

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

It is a cyclic number.

It is not a de Polignac number, because 20550341513 - 2²⁴ = 20533564297 is a prime.

It is a super-2 number, since 2×20550341513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20550341519) 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, 131420 + ... + 241602.

It is an arithmetic number, because the mean of its divisors is an integer number (2766610056).

Almost surely, 2^20550341513 is an apocalyptic number.

It is an amenable number.

20550341513 is a deficient number, since it is larger than the sum of its proper divisors (1582538935).

20550341513 is a wasteful number, since it uses less digits than its factorization.

20550341513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124543.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 20550341513 in words is "twenty billion, five hundred fifty million, three hundred forty-one thousand, five hundred thirteen".