20612711053044 has 144 divisors (see below), whose sum is σ = 56953968716736. Its totient is φ = 6233883801600.

The previous prime is 20612711053037. The next prime is 20612711053169. The reversal of 20612711053044 is 44035011721602.

20612711053044 is a `hidden beast` number, since 2 + 0 + 6 + 1 + 2 + 7 + 110 + 530 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 557880979 + ... + 557917925.

It is an arithmetic number, because the mean of its divisors is an integer number (395513671644).

Almost surely, 2^{20612711053044} 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 20612711053044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28476984358368).

20612711053044 is an abundant number, since it is smaller than the sum of its proper divisors (36341257663692).

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

20612711053044 is a wasteful number, since it uses less digits than its factorization.

20612711053044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39726 (or 39721 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

Adding to 20612711053044 its reverse (44035011721602), we get a palindrome (64647722774646).

The spelling of 20612711053044 in words is "twenty trillion, six hundred twelve billion, seven hundred eleven million, fifty-three thousand, forty-four".