20020064424 has 16 divisors (see below), whose sum is σ = 50050161120. Its totient is φ = 6673354800.

The previous prime is 20020064411. The next prime is 20020064437. The reversal of 20020064424 is 42446002002.

It is an interprime number because it is at equal distance from previous prime (20020064411) and next prime (20020064437).

It is a super-2 number, since 2×20020064424² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 834169351 = 20020064424 / (2 + 0 + 0 + 2 + 0 + 0 + 6 + 4 + 4 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 20020064394 and 20020064403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417084652 + ... + 417084699.

It is an arithmetic number, because the mean of its divisors is an integer number (3128135070).

Almost surely, 2^20020064424 is an apocalyptic number.

20020064424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20020064424 is an abundant number, since it is smaller than the sum of its proper divisors (30030096696).

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

20020064424 is a wasteful number, since it uses less digits than its factorization.

20020064424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834169360 (or 834169356 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 20020064424 its reverse (42446002002), we get a palindrome (62466066426).

The spelling of 20020064424 in words is "twenty billion, twenty million, sixty-four thousand, four hundred twenty-four".