20331541420 has 12 divisors (see below), whose sum is σ = 42696237024. Its totient is φ = 8132616560.

The previous prime is 20331541411. The next prime is 20331541507. The reversal of 20331541420 is 2414513302.

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, 508288516 + ... + 508288555.

It is an arithmetic number, because the mean of its divisors is an integer number (3558019752).

Almost surely, 2^20331541420 is an apocalyptic number.

20331541420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20331541420 is an abundant number, since it is smaller than the sum of its proper divisors (22364695604).

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

20331541420 is a wasteful number, since it uses less digits than its factorization.

20331541420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016577080 (or 1016577078 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The spelling of 20331541420 in words is "twenty billion, three hundred thirty-one million, five hundred forty-one thousand, four hundred twenty".