20014521020 has 48 divisors (see below), whose sum is σ = 45325791840. Its totient is φ = 7379824896.

The previous prime is 20014521019. The next prime is 20014521053. The reversal of 20014521020 is 2012541002.

It is a self number, because there is not a number n which added to its sum of digits gives 20014521020.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138071 + ... + 243089.

It is an arithmetic number, because the mean of its divisors is an integer number (944287330).

Almost surely, 2^20014521020 is an apocalyptic number.

20014521020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20014521020 is an abundant number, since it is smaller than the sum of its proper divisors (25311270820).

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

20014521020 is a wasteful number, since it uses less digits than its factorization.

20014521020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105774 (or 105772 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The spelling of 20014521020 in words is "twenty billion, fourteen million, five hundred twenty-one thousand, twenty".