20221672053372 has 24 divisors (see below), whose sum is σ = 47183982080256. Its totient is φ = 6740545833648.

The previous prime is 20221672053371. The next prime is 20221672053383. The reversal of 20221672053372 is 27335027612202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20221672053371) 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, 8774653 + ... + 10836875.

It is an arithmetic number, because the mean of its divisors is an integer number (1965999253344).

Almost surely, 2^{20221672053372} is an apocalyptic number.

It is an amenable number.

20221672053372 is an abundant number, since it is smaller than the sum of its proper divisors (26962310026884).

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

20221672053372 is a wasteful number, since it uses less digits than its factorization.

20221672053372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879377 (or 2879375 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 42.

Adding to 20221672053372 its reverse (27335027612202), we get a palindrome (47556699665574).

The spelling of 20221672053372 in words is "twenty trillion, two hundred twenty-one billion, six hundred seventy-two million, fifty-three thousand, three hundred seventy-two".