22423002020420 has 48 divisors (see below), whose sum is σ = 48608195575296. Its totient is φ = 8679708576000.

The previous prime is 22423002020411. The next prime is 22423002020431. The reversal of 22423002020420 is 2402020032422.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35755160 + ... + 36376880.

It is an arithmetic number, because the mean of its divisors is an integer number (1012670741152).

Almost surely, 2^{22423002020420} is an apocalyptic number.

22423002020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22423002020420 is an abundant number, since it is smaller than the sum of its proper divisors (26185193554876).

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

22423002020420 is a wasteful number, since it uses less digits than its factorization.

22423002020420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679932 (or 679930 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 22423002020420 its reverse (2402020032422), we get a palindrome (24825022052842).

The spelling of 22423002020420 in words is "twenty-two trillion, four hundred twenty-three billion, two million, twenty thousand, four hundred twenty".