21341304222020 has 12 divisors (see below), whose sum is σ = 44816738866284. Its totient is φ = 8536521688800.

The previous prime is 21341304221987. The next prime is 21341304222053. The reversal of 21341304222020 is 2022240314312.

It is an interprime number because it is at equal distance from previous prime (21341304221987) and next prime (21341304222053).

It can be written as a sum of positive squares in 2 ways, for example, as 9759588433156 + 11581715788864 = 3124034^2 + 3403192^2 .

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, 533532605531 + ... + 533532605570.

It is an arithmetic number, because the mean of its divisors is an integer number (3734728238857).

Almost surely, 2^{21341304222020} is an apocalyptic number.

21341304222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21341304222020 is an abundant number, since it is smaller than the sum of its proper divisors (23475434644264).

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

21341304222020 is a wasteful number, since it uses less digits than its factorization.

21341304222020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067065211110 (or 1067065211108 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 21341304222020 its reverse (2022240314312), we get a palindrome (23363544536332).

The spelling of 21341304222020 in words is "twenty-one trillion, three hundred forty-one billion, three hundred four million, two hundred twenty-two thousand, twenty".