20632530105 has 48 divisors (see below), whose sum is σ = 39104747136. Its totient is φ = 9980444160.

The previous prime is 20632530101. The next prime is 20632530157. The reversal of 20632530105 is 50103523602.

20632530105 is a `hidden beast` number, since 20 + 6 + 3 + 2 + 530 + 105 = 666.

It is not a de Polignac number, because 20632530105 - 2² = 20632530101 is a prime.

It is a super-2 number, since 2×20632530105² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20632530101) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 166204 + ... + 262466.

It is an arithmetic number, because the mean of its divisors is an integer number (814682232).

Almost surely, 2^20632530105 is an apocalyptic number.

It is an amenable number.

20632530105 is a deficient number, since it is larger than the sum of its proper divisors (18472217031).

20632530105 is a wasteful number, since it uses less digits than its factorization.

20632530105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96718 (or 96715 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The spelling of 20632530105 in words is "twenty billion, six hundred thirty-two million, five hundred thirty thousand, one hundred five".