20020420244 has 24 divisors (see below), whose sum is σ = 38225804736. Its totient is φ = 9099000000.

The previous prime is 20020420229. The next prime is 20020420261. The reversal of 20020420244 is 44202402002.

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, 370769 + ... + 421319.

It is an arithmetic number, because the mean of its divisors is an integer number (1592741864).

Almost surely, 2^20020420244 is an apocalyptic number.

It is an amenable number.

20020420244 is a deficient number, since it is larger than the sum of its proper divisors (18205384492).

20020420244 is a wasteful number, since it uses less digits than its factorization.

20020420244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59567 (or 59565 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 20020420244 its reverse (44202402002), we get a palindrome (64222822246).

The spelling of 20020420244 in words is "twenty billion, twenty million, four hundred twenty thousand, two hundred forty-four".