2020040421 has 8 divisors (see below), whose sum is σ = 3078156864. Its totient is φ = 1154308800.

The previous prime is 2020040417. The next prime is 2020040447. The reversal of 2020040421 is 1240400202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2020040421 - 2² = 2020040417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2020040421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020040221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48096180 + ... + 48096221.

It is an arithmetic number, because the mean of its divisors is an integer number (384769608).

Almost surely, 2^2020040421 is an apocalyptic number.

2020040421 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2020040421 is a deficient number, since it is larger than the sum of its proper divisors (1058116443).

2020040421 is an equidigital number, since it uses as much as digits as its factorization.

2020040421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96192411.

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 2020040421 is about 44944.8597839619. The cubic root of 2020040421 is about 1264.1152965667.

Adding to 2020040421 its reverse (1240400202), we get a palindrome (3260440623).

The spelling of 2020040421 in words is "two billion, twenty million, forty thousand, four hundred twenty-one".