100201420 has 24 divisors (see below), whose sum is σ = 229552848. Its totient is φ = 36436800.

The previous prime is 100201399. The next prime is 100201441. The reversal of 100201420 is 24102001.

It is an interprime number because it is at equal distance from previous prime (100201399) and next prime (100201441).

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 100201397 and 100201406.

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 7 ways as a sum of consecutive naturals, for example, 227511 + ... + 227950.

It is an arithmetic number, because the mean of its divisors is an integer number (9564702).

Almost surely, 2^100201420 is an apocalyptic number.

100201420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100201420 is an abundant number, since it is smaller than the sum of its proper divisors (129351428).

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

100201420 is a wasteful number, since it uses less digits than its factorization.

100201420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455481 (or 455479 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100201420 is about 10010.0659338488. The cubic root of 100201420 is about 464.4703106368.

Adding to 100201420 its reverse (24102001), we get a palindrome (124303421).

The spelling of 100201420 in words is "one hundred million, two hundred one thousand, four hundred twenty".