20410209120 has 144 divisors (see below), whose sum is σ = 74788923888. Its totient is φ = 4665185280.

The previous prime is 20410209103. The next prime is 20410209121. The reversal of 20410209120 is 2190201402.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20410209121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 410371 + ... + 457410.

It is an arithmetic number, because the mean of its divisors is an integer number (519367527).

Almost surely, 2^20410209120 is an apocalyptic number.

20410209120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410209120 is an abundant number, since it is smaller than the sum of its proper divisors (54378714768).

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

20410209120 is a wasteful number, since it uses less digits than its factorization.

20410209120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867813 (or 867798 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The spelling of 20410209120 in words is "twenty billion, four hundred ten million, two hundred nine thousand, one hundred twenty".