22020260625421 has 8 divisors (see below), whose sum is σ = 22332076665984. Its totient is φ = 21708491016240.

The previous prime is 22020260625413. The next prime is 22020260625523. The reversal of 22020260625421 is 12452606202022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22020260625421 - 2³ = 22020260625413 is a prime.

It is a super-2 number, since 2×22020260625421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22020269625421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10652070 + ... + 12550183.

It is an arithmetic number, because the mean of its divisors is an integer number (2791509583248).

Almost surely, 2^{22020260625421} is an apocalyptic number.

It is an amenable number.

22020260625421 is a deficient number, since it is larger than the sum of its proper divisors (311816040563).

22020260625421 is a wasteful number, since it uses less digits than its factorization.

22020260625421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23215691.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 22020260625421 its reverse (12452606202022), we get a palindrome (34472866827443).

The spelling of 22020260625421 in words is "twenty-two trillion, twenty billion, two hundred sixty million, six hundred twenty-five thousand, four hundred twenty-one".