20105014530 has 32 divisors (see below), whose sum is σ = 48268080000. Its totient is φ = 5359554432.

The previous prime is 20105014529. The next prime is 20105014571. The reversal of 20105014530 is 3541050102.

It is a super-2 number, since 2×20105014530² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20105014497 and 20105014506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18430 + ... + 201369.

It is an arithmetic number, because the mean of its divisors is an integer number (1508377500).

Almost surely, 2^20105014530 is an apocalyptic number.

20105014530 is an abundant number, since it is smaller than the sum of its proper divisors (28163065470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20105014530 is a wasteful number, since it uses less digits than its factorization.

20105014530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222858.

The product of its (nonzero) digits is 600, while the sum is 21.

Adding to 20105014530 its reverse (3541050102), we get a palindrome (23646064632).

The spelling of 20105014530 in words is "twenty billion, one hundred five million, fourteen thousand, five hundred thirty".