20354323662426 has 32 divisors (see below), whose sum is σ = 43845264586368. Its totient is φ = 6262128411840.

The previous prime is 20354323662419. The next prime is 20354323662443. The reversal of 20354323662426 is 62426632345302.

It is a happy 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, 14760966 + ... + 16080881.

It is an arithmetic number, because the mean of its divisors is an integer number (1370164518324).

Almost surely, 2^{20354323662426} is an apocalyptic number.

20354323662426 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20354323662426 is an abundant number, since it is smaller than the sum of its proper divisors (23490940923942).

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

20354323662426 is a wasteful number, since it uses less digits than its factorization.

20354323662426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30850326.

The product of its (nonzero) digits is 7464960, while the sum is 48.

The spelling of 20354323662426 in words is "twenty trillion, three hundred fifty-four billion, three hundred twenty-three million, six hundred sixty-two thousand, four hundred twenty-six".