10020543454444 has 48 divisors (see below), whose sum is σ = 17675222973408. Its totient is φ = 4970648567808.

The previous prime is 10020543454393. The next prime is 10020543454459. The reversal of 10020543454444 is 44445434502001.

It is a super-2 number, since 2×10020543454444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10020543454397 and 10020543454406.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057795692 + ... + 1057805164.

It is an arithmetic number, because the mean of its divisors is an integer number (368233811946).

Almost surely, 2^{10020543454444} is an apocalyptic number.

It is an amenable number.

10020543454444 is a deficient number, since it is larger than the sum of its proper divisors (7654679518964).

10020543454444 is a wasteful number, since it uses less digits than its factorization.

10020543454444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13714 (or 13712 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 40.

Adding to 10020543454444 its reverse (44445434502001), we get a palindrome (54465977956445).

The spelling of 10020543454444 in words is "ten trillion, twenty billion, five hundred forty-three million, four hundred fifty-four thousand, four hundred forty-four".