20410406780 has 12 divisors (see below), whose sum is σ = 42861854280. Its totient is φ = 8164162704.

The previous prime is 20410406773. The next prime is 20410406791. The reversal of 20410406780 is 8760401402.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 510260150 + ... + 510260189.

It is an arithmetic number, because the mean of its divisors is an integer number (3571821190).

Almost surely, 2^20410406780 is an apocalyptic number.

20410406780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20410406780 is an abundant number, since it is smaller than the sum of its proper divisors (22451447500).

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

20410406780 is a wasteful number, since it uses less digits than its factorization.

20410406780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020520348 (or 1020520346 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The spelling of 20410406780 in words is "twenty billion, four hundred ten million, four hundred six thousand, seven hundred eighty".