20022001405 has 8 divisors (see below), whose sum is σ = 27458744832. Its totient is φ = 13729372368.

The previous prime is 20022001397. The next prime is 20022001409. The reversal of 20022001405 is 50410022002.

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

It is a cyclic number.

It is not a de Polignac number, because 20022001405 - 2³ = 20022001397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20022001409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286028557 + ... + 286028626.

It is an arithmetic number, because the mean of its divisors is an integer number (3432343104).

Almost surely, 2^20022001405 is an apocalyptic number.

It is an amenable number.

20022001405 is a deficient number, since it is larger than the sum of its proper divisors (7436743427).

20022001405 is an equidigital number, since it uses as much as digits as its factorization.

20022001405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572057195.

The product of its (nonzero) digits is 160, while the sum is 16.

Adding to 20022001405 its reverse (50410022002), we get a palindrome (70432023407).

The spelling of 20022001405 in words is "twenty billion, twenty-two million, one thousand, four hundred five".