105201420050 has 24 divisors (see below), whose sum is σ = 195683735856. Its totient is φ = 42078612240.

The previous prime is 105201420031. The next prime is 105201420053. The reversal of 105201420050 is 50024102501.

It is a super-2 number, since 2×105201420050² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105201420053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1565237 + ... + 1631063.

It is an arithmetic number, because the mean of its divisors is an integer number (8153488994).

Almost surely, 2^105201420050 is an apocalyptic number.

105201420050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105201420050 is a deficient number, since it is larger than the sum of its proper divisors (90482315806).

105201420050 is a wasteful number, since it uses less digits than its factorization.

105201420050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97802 (or 97797 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

Adding to 105201420050 its reverse (50024102501), we get a palindrome (155225522551).

The spelling of 105201420050 in words is "one hundred five billion, two hundred one million, four hundred twenty thousand, fifty".