20268058044 has 96 divisors (see below), whose sum is σ = 53116112896. Its totient is φ = 5972797440.

The previous prime is 20268058033. The next prime is 20268058049. The reversal of 20268058044 is 44085086202.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 20268057993 and 20268058011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20268058049) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 447489 + ... + 490695.

Almost surely, 2^20268058044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20268058044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26558056448).

20268058044 is an abundant number, since it is smaller than the sum of its proper divisors (32848054852).

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

20268058044 is a wasteful number, since it uses less digits than its factorization.

20268058044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43355 (or 43353 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 20268058044 in words is "twenty billion, two hundred sixty-eight million, fifty-eight thousand, forty-four".