13422152020 has 12 divisors (see below), whose sum is σ = 28186519284. Its totient is φ = 5368860800.

The previous prime is 13422151999. The next prime is 13422152039. The reversal of 13422152020 is 2025122431.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4837758916 + 8584393104 = 69554^2 + 92652^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13422151982 and 13422152000.

It is a congruent number.

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, 335553781 + ... + 335553820.

It is an arithmetic number, because the mean of its divisors is an integer number (2348876607).

Almost surely, 2^13422152020 is an apocalyptic number.

13422152020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13422152020 is an abundant number, since it is smaller than the sum of its proper divisors (14764367264).

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

13422152020 is a wasteful number, since it uses less digits than its factorization.

13422152020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671107610 (or 671107608 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 13422152020 its reverse (2025122431), we get a palindrome (15447274451).

The spelling of 13422152020 in words is "thirteen billion, four hundred twenty-two million, one hundred fifty-two thousand, twenty".