20221011142 has 8 divisors (see below), whose sum is σ = 31309952832. Its totient is φ = 9784360200.

The previous prime is 20221011119. The next prime is 20221011143. The reversal of 20221011142 is 24111012202.

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 (20221011143) 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, 163072609 + ... + 163072732.

It is an arithmetic number, because the mean of its divisors is an integer number (3913744104).

Almost surely, 2^20221011142 is an apocalyptic number.

20221011142 is a deficient number, since it is larger than the sum of its proper divisors (11088941690).

20221011142 is a wasteful number, since it uses less digits than its factorization.

20221011142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326145374.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20221011142 its reverse (24111012202), we get a palindrome (44332023344).

The spelling of 20221011142 in words is "twenty billion, two hundred twenty-one million, eleven thousand, one hundred forty-two".