20022133144 has 32 divisors (see below), whose sum is σ = 42187108320. Its totient is φ = 8839201536.

The previous prime is 20022133133. The next prime is 20022133169. The reversal of 20022133144 is 44133122002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4182837 + ... + 4187620.

It is an arithmetic number, because the mean of its divisors is an integer number (1318347135).

Almost surely, 2^20022133144 is an apocalyptic number.

It is an amenable number.

20022133144 is an abundant number, since it is smaller than the sum of its proper divisors (22164975176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20022133144 is a wasteful number, since it uses less digits than its factorization.

20022133144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8370499 (or 8370495 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 20022133144 its reverse (44133122002), we get a palindrome (64155255146).

The spelling of 20022133144 in words is "twenty billion, twenty-two million, one hundred thirty-three thousand, one hundred forty-four".