20803073533446 has 64 divisors (see below), whose sum is σ = 43008422059008. Its totient is φ = 6704255271168.

The previous prime is 20803073533439. The next prime is 20803073533477. The reversal of 20803073533446 is 64433537030802.

It is a super-2 number, since 2×20803073533446² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20803073533395 and 20803073533404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216621336 + ... + 216717348.

It is an arithmetic number, because the mean of its divisors is an integer number (672006594672).

Almost surely, 2^{20803073533446} is an apocalyptic number.

20803073533446 is an abundant number, since it is smaller than the sum of its proper divisors (22205348525562).

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

20803073533446 is a wasteful number, since it uses less digits than its factorization.

20803073533446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105405.

The product of its (nonzero) digits is 4354560, while the sum is 48.

The spelling of 20803073533446 in words is "twenty trillion, eight hundred three billion, seventy-three million, five hundred thirty-three thousand, four hundred forty-six".