20520430046044 has 12 divisors (see below), whose sum is σ = 37069163954368. Its totient is φ = 9929240344800.

The previous prime is 20520430046021. The next prime is 20520430046093. The reversal of 20520430046044 is 44064003402502.

20520430046044 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82743669417 + ... + 82743669664.

Almost surely, 2^{20520430046044} is an apocalyptic number.

It is an amenable number.

20520430046044 is a deficient number, since it is larger than the sum of its proper divisors (16548733908324).

20520430046044 is a wasteful number, since it uses less digits than its factorization.

20520430046044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165487339116 (or 165487339114 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 34.

Adding to 20520430046044 its reverse (44064003402502), we get a palindrome (64584433448546).

The spelling of 20520430046044 in words is "twenty trillion, five hundred twenty billion, four hundred thirty million, forty-six thousand, forty-four".