20414543020 has 24 divisors (see below), whose sum is σ = 42873637968. Its totient is φ = 8165227200.

The previous prime is 20414542969. The next prime is 20414543029. The reversal of 20414543020 is 2034541402.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (20414543029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341575 + ... + 396865.

It is an arithmetic number, because the mean of its divisors is an integer number (1786401582).

Almost surely, 2^20414543020 is an apocalyptic number.

20414543020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20414543020 is an abundant number, since it is smaller than the sum of its proper divisors (22459094948).

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

20414543020 is a wasteful number, since it uses less digits than its factorization.

20414543020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73761 (or 73759 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 20414543020 in words is "twenty billion, four hundred fourteen million, five hundred forty-three thousand, twenty".