1220842327454 has 8 divisors (see below), whose sum is σ = 1831761534168. Its totient is φ = 610255149400.

The previous prime is 1220842327447. The next prime is 1220842327457. The reversal of 1220842327454 is 4547232480221.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220842327457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82997972 + ... + 83012679.

It is an arithmetic number, because the mean of its divisors is an integer number (228970191771).

Almost surely, 2^{1220842327454} is an apocalyptic number.

1220842327454 is a deficient number, since it is larger than the sum of its proper divisors (610919206714).

1220842327454 is a wasteful number, since it uses less digits than its factorization.

1220842327454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166014330.

The product of its (nonzero) digits is 860160, while the sum is 44.

The spelling of 1220842327454 in words is "one trillion, two hundred twenty billion, eight hundred forty-two million, three hundred twenty-seven thousand, four hundred fifty-four".