20346274105044 has 24 divisors (see below), whose sum is σ = 47673278244480. Its totient is φ = 6753714416064.

The previous prime is 20346274105043. The next prime is 20346274105127. The reversal of 20346274105044 is 44050147264302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20346274104987 and 20346274105005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20346274105043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3547116049 + ... + 3547121784.

It is an arithmetic number, because the mean of its divisors is an integer number (1986386593520).

Almost surely, 2^{20346274105044} is an apocalyptic number.

It is an amenable number.

20346274105044 is an abundant number, since it is smaller than the sum of its proper divisors (27327004139436).

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

20346274105044 is a wasteful number, since it uses less digits than its factorization.

20346274105044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094238079 (or 7094238077 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 42.

The spelling of 20346274105044 in words is "twenty trillion, three hundred forty-six billion, two hundred seventy-four million, one hundred five thousand, forty-four".