221420058000 has 160 divisors (see below), whose sum is σ = 718588745472. Its totient is φ = 58654080000.

The previous prime is 221420057993. The next prime is 221420058007. The reversal of 221420058000 is 850024122.

It is an interprime number because it is at equal distance from previous prime (221420057993) and next prime (221420058007).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (221420058007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 783804 + ... + 1028196.

Almost surely, 2^221420058000 is an apocalyptic number.

221420058000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 221420058000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359294372736).

221420058000 is an abundant number, since it is smaller than the sum of its proper divisors (497168687472).

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

221420058000 is a wasteful number, since it uses less digits than its factorization.

221420058000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244570 (or 244554 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The spelling of 221420058000 in words is "two hundred twenty-one billion, four hundred twenty million, fifty-eight thousand".