20416323612126 has 64 divisors (see below), whose sum is σ = 46571815080000. Its totient is φ = 5910957735936.

The previous prime is 20416323612107. The next prime is 20416323612319. The reversal of 20416323612126 is 62121632361402.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3467650 + ... + 7270298.

It is an arithmetic number, because the mean of its divisors is an integer number (727684610625).

Almost surely, 2^{20416323612126} is an apocalyptic number.

20416323612126 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20416323612126 is an abundant number, since it is smaller than the sum of its proper divisors (26155491467874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20416323612126 is a wasteful number, since it uses less digits than its factorization.

20416323612126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3806733.

The product of its (nonzero) digits is 124416, while the sum is 39.

Adding to 20416323612126 its reverse (62121632361402), we get a palindrome (82537955973528).

The spelling of 20416323612126 in words is "twenty trillion, four hundred sixteen billion, three hundred twenty-three million, six hundred twelve thousand, one hundred twenty-six".