36421020 has 36 divisors (see below), whose sum is σ = 110477640. Its totient is φ = 9712224.

The previous prime is 36421019. The next prime is 36421037. The reversal of 36421020 is 2012463.

It is a happy number.

36421020 is a `hidden beast` number, since 3 + 642 + 1 + 0 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 36420984 and 36421002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100990 + ... + 101349.

Almost surely, 2^36421020 is an apocalyptic number.

36421020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36421020 is an abundant number, since it is smaller than the sum of its proper divisors (74056620).

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

36421020 is a wasteful number, since it uses less digits than its factorization.

36421020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202354 (or 202349 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 36421020 is about 6034.9830157176. The cubic root of 36421020 is about 331.4749406062.

Adding to 36421020 its reverse (2012463), we get a palindrome (38433483).

The spelling of 36421020 in words is "thirty-six million, four hundred twenty-one thousand, twenty".