1220550033053 has 4 divisors (see below), whose sum is σ = 1314438497148. Its totient is φ = 1126661568960.

The previous prime is 1220550033049. The next prime is 1220550033061. The reversal of 1220550033053 is 3503300550221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 133895982724 + 1086654050329 = 365918^2 + 1042427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1220550033053 - 2² = 1220550033049 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220550033023) 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, 46944232028 + ... + 46944232053.

It is an arithmetic number, because the mean of its divisors is an integer number (328609624287).

Almost surely, 2^{1220550033053} is an apocalyptic number.

1220550033053 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1220550033053 is a deficient number, since it is larger than the sum of its proper divisors (93888464095).

1220550033053 is an equidigital number, since it uses as much as digits as its factorization.

1220550033053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93888464094.

The product of its (nonzero) digits is 13500, while the sum is 29.

Adding to 1220550033053 its reverse (3503300550221), we get a palindrome (4723850583274).

The spelling of 1220550033053 in words is "one trillion, two hundred twenty billion, five hundred fifty million, thirty-three thousand, fifty-three".