20410775140 has 48 divisors (see below), whose sum is σ = 48994210944. Its totient is φ = 6996787200.

The previous prime is 20410775129. The next prime is 20410775141. The reversal of 20410775140 is 4157701402.

It is not an unprimeable number, because it can be changed into a prime (20410775141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321060 + ... + 1336420.

It is an arithmetic number, because the mean of its divisors is an integer number (1020712728).

Almost surely, 2^20410775140 is an apocalyptic number.

20410775140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410775140 is an abundant number, since it is smaller than the sum of its proper divisors (28583435804).

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

20410775140 is a wasteful number, since it uses less digits than its factorization.

20410775140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24868 (or 24866 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 31.

The spelling of 20410775140 in words is "twenty billion, four hundred ten million, seven hundred seventy-five thousand, one hundred forty".