20422240044 has 24 divisors (see below), whose sum is σ = 48073594800. Its totient is φ = 6747170304.

The previous prime is 20422240031. The next prime is 20422240057. The reversal of 20422240044 is 44004222402.

It is an interprime number because it is at equal distance from previous prime (20422240031) and next prime (20422240057).

It is a junction number, because it is equal to n+sod(n) for n = 20422239996 and 20422240023.

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, 7528969 + ... + 7531680.

It is an arithmetic number, because the mean of its divisors is an integer number (2003066450).

Almost surely, 2^20422240044 is an apocalyptic number.

It is an amenable number.

20422240044 is an abundant number, since it is smaller than the sum of its proper divisors (27651354756).

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

20422240044 is a wasteful number, since it uses less digits than its factorization.

20422240044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15060769 (or 15060767 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 20422240044 its reverse (44004222402), we get a palindrome (64426462446).

The spelling of 20422240044 in words is "twenty billion, four hundred twenty-two million, two hundred forty thousand, forty-four".