20221201082 has 4 divisors (see below), whose sum is σ = 30331801626. Its totient is φ = 10110600540.

The previous prime is 20221201081. The next prime is 20221201129. The reversal of 20221201082 is 28010212202.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 20189852281 + 31348801 = 142091^2 + 5599^2 .

It is not an unprimeable number, because it can be changed into a prime (20221201081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055300269 + ... + 5055300272.

Almost surely, 2^20221201082 is an apocalyptic number.

20221201082 is a deficient number, since it is larger than the sum of its proper divisors (10110600544).

20221201082 is a wasteful number, since it uses less digits than its factorization.

20221201082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10110600543.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20221201082 its reverse (28010212202), we get a palindrome (48231413284).

It can be divided in two parts, 2022120 and 1082, that added together give a palindrome (2023202).

The spelling of 20221201082 in words is "twenty billion, two hundred twenty-one million, two hundred one thousand, eighty-two".