105663497020 has 12 divisors (see below), whose sum is σ = 221893343784. Its totient is φ = 42265398800.

The previous prime is 105663496999. The next prime is 105663497021. The reversal of 105663497020 is 20794366501.

It is a super-2 number, since 2×105663497020² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105663497021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2641587406 + ... + 2641587445.

It is an arithmetic number, because the mean of its divisors is an integer number (18491111982).

Almost surely, 2^105663497020 is an apocalyptic number.

105663497020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

105663497020 is an abundant number, since it is smaller than the sum of its proper divisors (116229846764).

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

105663497020 is a wasteful number, since it uses less digits than its factorization.

105663497020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5283174860 (or 5283174858 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 105663497020 in words is "one hundred five billion, six hundred sixty-three million, four hundred ninety-seven thousand, twenty".