20020202405 has 16 divisors (see below), whose sum is σ = 29071353600. Its totient is φ = 12920600832.

The previous prime is 20020202369. The next prime is 20020202471. The reversal of 20020202405 is 50420202002.

It is a cyclic number.

It is not a de Polignac number, because 20020202405 - 2¹⁶ = 20020136869 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16823105 + ... + 16824294.

It is an arithmetic number, because the mean of its divisors is an integer number (1816959600).

Almost surely, 2^20020202405 is an apocalyptic number.

It is an amenable number.

20020202405 is a deficient number, since it is larger than the sum of its proper divisors (9051151195).

20020202405 is a wasteful number, since it uses less digits than its factorization.

20020202405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33647428.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 20020202405 its reverse (50420202002), we get a palindrome (70440404407).

The spelling of 20020202405 in words is "twenty billion, twenty million, two hundred two thousand, four hundred five".