20112202405 has 8 divisors (see below), whose sum is σ = 24135501312. Its totient is φ = 16089189648.

The previous prime is 20112202387. The next prime is 20112202423. The reversal of 20112202405 is 50420221102.

It is an interprime number because it is at equal distance from previous prime (20112202387) and next prime (20112202423).

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 20112202405 - 2⁷ = 20112202277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139924 + ... + 244546.

It is an arithmetic number, because the mean of its divisors is an integer number (3016937664).

Almost surely, 2^20112202405 is an apocalyptic number.

It is an amenable number.

20112202405 is a deficient number, since it is larger than the sum of its proper divisors (4023298907).

20112202405 is a wasteful number, since it uses less digits than its factorization.

20112202405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143075.

The product of its (nonzero) digits is 320, while the sum is 19.

Adding to 20112202405 its reverse (50420221102), we get a palindrome (70532423507).

The spelling of 20112202405 in words is "twenty billion, one hundred twelve million, two hundred two thousand, four hundred five".