100020570650 has 96 divisors (see below), whose sum is σ = 249785762688. Its totient is φ = 28777132800.

The previous prime is 100020570647. The next prime is 100020570673. The reversal of 100020570650 is 56075020001.

It is a super-2 number, since 2×100020570650² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26).

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 47 ways as a sum of consecutive naturals, for example, 949157 + ... + 1049256.

It is an arithmetic number, because the mean of its divisors is an integer number (2601935028).

Almost surely, 2^100020570650 is an apocalyptic number.

100020570650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100020570650 is an abundant number, since it is smaller than the sum of its proper divisors (149765192038).

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

100020570650 is a wasteful number, since it uses less digits than its factorization.

100020570650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1998456 (or 1998451 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

Adding to 100020570650 its reverse (56075020001), we get a palindrome (156095590651).

The spelling of 100020570650 in words is "one hundred billion, twenty million, five hundred seventy thousand, six hundred fifty".