20346489046 has 16 divisors (see below), whose sum is σ = 32870086704. Its totient is φ = 9389921184.

The previous prime is 20346488977. The next prime is 20346489077. The reversal of 20346489046 is 64098464302.

It is a junction number, because it is equal to n+sod(n) for n = 20346488987 and 20346489005.

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, 406576 + ... + 453868.

It is an arithmetic number, because the mean of its divisors is an integer number (2054380419).

Almost surely, 2^20346489046 is an apocalyptic number.

20346489046 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

20346489046 is a deficient number, since it is larger than the sum of its proper divisors (12523597658).

20346489046 is a wasteful number, since it uses less digits than its factorization.

20346489046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63855.

The product of its (nonzero) digits is 995328, while the sum is 46.

The spelling of 20346489046 in words is "twenty billion, three hundred forty-six million, four hundred eighty-nine thousand, forty-six".