20064156405020 has 96 divisors (see below), whose sum is σ = 51859142272896. Its totient is φ = 6349850496000.

The previous prime is 20064156404977. The next prime is 20064156405077. The reversal of 20064156405020 is 2050465146002.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151177490 + ... + 151310150.

It is an arithmetic number, because the mean of its divisors is an integer number (540199398676).

Almost surely, 2^{20064156405020} is an apocalyptic number.

20064156405020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20064156405020 is an abundant number, since it is smaller than the sum of its proper divisors (31794985867876).

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

20064156405020 is a wasteful number, since it uses less digits than its factorization.

20064156405020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215791 (or 215789 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 20064156405020 in words is "twenty trillion, sixty-four billion, one hundred fifty-six million, four hundred five thousand, twenty".