220401355305001 has 8 divisors (see below), whose sum is σ = 245011928478464. Its totient is φ = 196884585383760.

The previous prime is 220401355304981. The next prime is 220401355305029. The reversal of 220401355305001 is 100503553104022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220401355305001 - 2⁹ = 220401355304489 is a prime.

It is a super-2 number, since 2×220401355305001² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220401355305031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 273450812631 + ... + 273450813436.

It is an arithmetic number, because the mean of its divisors is an integer number (30626491059808).

Almost surely, 2^{220401355305001} is an apocalyptic number.

It is an amenable number.

220401355305001 is a deficient number, since it is larger than the sum of its proper divisors (24610573173463).

220401355305001 is a wasteful number, since it uses less digits than its factorization.

220401355305001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546901626111.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 220401355305001 in words is "two hundred twenty trillion, four hundred one billion, three hundred fifty-five million, three hundred five thousand, one".