20201214423340 has 48 divisors (see below), whose sum is σ = 44268182155008. Its totient is φ = 7728955464384.

The previous prime is 20201214423337. The next prime is 20201214423347. The reversal of 20201214423340 is 4332441210202.

It is a junction number, because it is equal to n+sod(n) for n = 20201214423299 and 20201214423308.

It is not an unprimeable number, because it can be changed into a prime (20201214423347) 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, 17397379 + ... + 18522181.

It is an arithmetic number, because the mean of its divisors is an integer number (922253794896).

Almost surely, 2^{20201214423340} is an apocalyptic number.

20201214423340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20201214423340 is an abundant number, since it is smaller than the sum of its proper divisors (24066967731668).

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

20201214423340 is a wasteful number, since it uses less digits than its factorization.

20201214423340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163878 (or 1163876 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 20201214423340 its reverse (4332441210202), we get a palindrome (24533655633542).

The spelling of 20201214423340 in words is "twenty trillion, two hundred one billion, two hundred fourteen million, four hundred twenty-three thousand, three hundred forty".