21414033020 has 12 divisors (see below), whose sum is σ = 44969469384. Its totient is φ = 8565613200.

The previous prime is 21414033007. The next prime is 21414033023. The reversal of 21414033020 is 2033041412.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 1070701651 = 21414033020 / (2 + 1 + 4 + 1 + 4 + 0 + 3 + 3 + 0 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 21414032983 and 21414033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21414033023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 535350806 + ... + 535350845.

It is an arithmetic number, because the mean of its divisors is an integer number (3747455782).

Almost surely, 2^21414033020 is an apocalyptic number.

21414033020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21414033020 is an abundant number, since it is smaller than the sum of its proper divisors (23555436364).

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

21414033020 is a wasteful number, since it uses less digits than its factorization.

21414033020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070701660 (or 1070701658 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 21414033020 its reverse (2033041412), we get a palindrome (23447074432).

The spelling of 21414033020 in words is "twenty-one billion, four hundred fourteen million, thirty-three thousand, twenty".