11020220983 has 4 divisors (see below), whose sum is σ = 11068768440. Its totient is φ = 10971673528.

The previous prime is 11020220977. The next prime is 11020220993. The reversal of 11020220983 is 38902202011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38902202011 = 24247 ⋅1604413.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11020220983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11020220993) 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, 24273388 + ... + 24273841.

It is an arithmetic number, because the mean of its divisors is an integer number (2767192110).

Almost surely, 2^11020220983 is an apocalyptic number.

11020220983 is a deficient number, since it is larger than the sum of its proper divisors (48547457).

11020220983 is an equidigital number, since it uses as much as digits as its factorization.

11020220983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48547456.

The product of its (nonzero) digits is 1728, while the sum is 28.

Adding to 11020220983 its reverse (38902202011), we get a palindrome (49922422994).

The spelling of 11020220983 in words is "eleven billion, twenty million, two hundred twenty thousand, nine hundred eighty-three".