20106545020 has 12 divisors (see below), whose sum is σ = 42223744584. Its totient is φ = 8042618000.

The previous prime is 20106544999. The next prime is 20106545023. The reversal of 20106545020 is 2054560102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20106545023) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 502663606 + ... + 502663645.

It is an arithmetic number, because the mean of its divisors is an integer number (3518645382).

Almost surely, 2^20106545020 is an apocalyptic number.

20106545020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20106545020 is an abundant number, since it is smaller than the sum of its proper divisors (22117199564).

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

20106545020 is a wasteful number, since it uses less digits than its factorization.

20106545020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005327260 (or 1005327258 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 20106545020 in words is "twenty billion, one hundred six million, five hundred forty-five thousand, twenty".