20412799444 has 24 divisors (see below), whose sum is σ = 37175523840. Its totient is φ = 9795436896.

The previous prime is 20412799423. The next prime is 20412799513. The reversal of 20412799444 is 44499721402.

It is a super-2 number, since 2×20412799444² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20412799394 and 20412799403.

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, 507492 + ... + 546235.

It is an arithmetic number, because the mean of its divisors is an integer number (1548980160).

Almost surely, 2^20412799444 is an apocalyptic number.

It is an amenable number.

20412799444 is a deficient number, since it is larger than the sum of its proper divisors (16762724396).

20412799444 is a wasteful number, since it uses less digits than its factorization.

20412799444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053927 (or 1053925 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 20412799444 in words is "twenty billion, four hundred twelve million, seven hundred ninety-nine thousand, four hundred forty-four".