20461322346136 has 48 divisors (see below), whose sum is σ = 44677638923040. Its totient is φ = 8759512157760.

The previous prime is 20461322346107. The next prime is 20461322346349. The reversal of 20461322346136 is 63164322316402.

It is a junction number, because it is equal to n+sod(n) for n = 20461322346092 and 20461322346101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28291215 + ... + 29005438.

It is an arithmetic number, because the mean of its divisors is an integer number (930784144230).

Almost surely, 2^{20461322346136} is an apocalyptic number.

It is an amenable number.

20461322346136 is an abundant number, since it is smaller than the sum of its proper divisors (24216316576904).

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

20461322346136 is a wasteful number, since it uses less digits than its factorization.

20461322346136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57297584 (or 57297573 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 43.

The spelling of 20461322346136 in words is "twenty trillion, four hundred sixty-one billion, three hundred twenty-two million, three hundred forty-six thousand, one hundred thirty-six".