1220542584830 has 8 divisors (see below), whose sum is σ = 2196976652712. Its totient is φ = 488217033928.

The previous prime is 1220542584797. The next prime is 1220542584853. The reversal of 1220542584830 is 384852450221.

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

It is a super-2 number, since 2×1220542584830² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61027129232 + ... + 61027129251.

It is an arithmetic number, because the mean of its divisors is an integer number (274622081589).

Almost surely, 2^{1220542584830} is an apocalyptic number.

1220542584830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220542584830 is a deficient number, since it is larger than the sum of its proper divisors (976434067882).

1220542584830 is a wasteful number, since it uses less digits than its factorization.

1220542584830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122054258490.

The product of its (nonzero) digits is 614400, while the sum is 44.

The spelling of 1220542584830 in words is "one trillion, two hundred twenty billion, five hundred forty-two million, five hundred eighty-four thousand, eight hundred thirty".