22066137210420 has 72 divisors (see below), whose sum is σ = 66953015525760. Its totient is φ = 5882627125440.

The previous prime is 22066137210367. The next prime is 22066137210449. The reversal of 22066137210420 is 2401273166022.

22066137210420 is a `hidden beast` number, since 2 + 2 + 0 + 6 + 6 + 13 + 7 + 210 + 420 = 666.

It is a super-2 number, since 2×22066137210420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16825960 + ... + 18089919.

Almost surely, 2^{22066137210420} is an apocalyptic number.

22066137210420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22066137210420 is an abundant number, since it is smaller than the sum of its proper divisors (44886878315340).

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

22066137210420 is a wasteful number, since it uses less digits than its factorization.

22066137210420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34919405 (or 34919400 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 22066137210420 in words is "twenty-two trillion, sixty-six billion, one hundred thirty-seven million, two hundred ten thousand, four hundred twenty".