221414207426620 has 24 divisors (see below), whose sum is σ = 500736746026944. Its totient is φ = 81752938126656.

The previous prime is 221414207426567. The next prime is 221414207426653. The reversal of 221414207426620 is 26624702414122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425796552484 + ... + 425796553003.

It is an arithmetic number, because the mean of its divisors is an integer number (20864031084456).

Almost surely, 2^{221414207426620} is an apocalyptic number.

221414207426620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221414207426620 is an abundant number, since it is smaller than the sum of its proper divisors (279322538600324).

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

221414207426620 is a wasteful number, since it uses less digits than its factorization.

221414207426620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851593105509 (or 851593105507 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 43.

The spelling of 221414207426620 in words is "two hundred twenty-one trillion, four hundred fourteen billion, two hundred seven million, four hundred twenty-six thousand, six hundred twenty".