20134424044 has 48 divisors (see below), whose sum is σ = 41142427648. Its totient is φ = 8443709568.

The previous prime is 20134423979. The next prime is 20134424059. The reversal of 20134424044 is 44042443102.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 220807 + ... + 298369.

Almost surely, 2^20134424044 is an apocalyptic number.

It is an amenable number.

20134424044 is an abundant number, since it is smaller than the sum of its proper divisors (21008003604).

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

20134424044 is a wasteful number, since it uses less digits than its factorization.

20134424044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77774 (or 77772 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 20134424044 its reverse (44042443102), we get a palindrome (64176867146).

The spelling of 20134424044 in words is "twenty billion, one hundred thirty-four million, four hundred twenty-four thousand, forty-four".