20814220814740 has 48 divisors (see below), whose sum is σ = 45632128227840. Its totient is φ = 7959889301760.

The previous prime is 20814220814731. The next prime is 20814220814773. The reversal of 20814220814740 is 4741802241802.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9869196 + ... + 11791075.

It is an arithmetic number, because the mean of its divisors is an integer number (950669338080).

Almost surely, 2^{20814220814740} is an apocalyptic number.

20814220814740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20814220814740 is an abundant number, since it is smaller than the sum of its proper divisors (24817907413100).

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

20814220814740 is a wasteful number, since it uses less digits than its factorization.

20814220814740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21662392 (or 21662390 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 43.

The spelling of 20814220814740 in words is "twenty trillion, eight hundred fourteen billion, two hundred twenty million, eight hundred fourteen thousand, seven hundred forty".