20126112602 has 8 divisors (see below), whose sum is σ = 31501741536. Its totient is φ = 9625532092.

The previous prime is 20126112581. The next prime is 20126112641. The reversal of 20126112602 is 20621162102.

It is a happy number.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 218762048 + ... + 218762139.

It is an arithmetic number, because the mean of its divisors is an integer number (3937717692).

Almost surely, 2^20126112602 is an apocalyptic number.

20126112602 is a deficient number, since it is larger than the sum of its proper divisors (11375628934).

20126112602 is a wasteful number, since it uses less digits than its factorization.

20126112602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437524212.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 20126112602 its reverse (20621162102), we get a palindrome (40747274704).

The spelling of 20126112602 in words is "twenty billion, one hundred twenty-six million, one hundred twelve thousand, six hundred two".