20843413532 has 6 divisors (see below), whose sum is σ = 36475973688. Its totient is φ = 10421706764.

The previous prime is 20843413511. The next prime is 20843413541. The reversal of 20843413532 is 23531434802.

It is a junction number, because it is equal to n+sod(n) for n = 20843413492 and 20843413501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605426688 + ... + 2605426695.

It is an arithmetic number, because the mean of its divisors is an integer number (6079328948).

Almost surely, 2^20843413532 is an apocalyptic number.

It is an amenable number.

20843413532 is a deficient number, since it is larger than the sum of its proper divisors (15632560156).

20843413532 is a wasteful number, since it uses less digits than its factorization.

20843413532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5210853387 (or 5210853385 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The spelling of 20843413532 in words is "twenty billion, eight hundred forty-three million, four hundred thirteen thousand, five hundred thirty-two".