20372400426044 has 12 divisors (see below), whose sum is σ = 35652943728864. Its totient is φ = 10185845074944.

The previous prime is 20372400426031. The next prime is 20372400426061. The reversal of 20372400426044 is 44062400427302.

It is a junction number, because it is equal to n+sod(n) for n = 20372400425989 and 20372400426007.

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, 88655429 + ... + 88884924.

It is an arithmetic number, because the mean of its divisors is an integer number (2971078644072).

Almost surely, 2^{20372400426044} is an apocalyptic number.

It is an amenable number.

20372400426044 is a deficient number, since it is larger than the sum of its proper divisors (15280543302820).

20372400426044 is a wasteful number, since it uses less digits than its factorization.

20372400426044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177569044 (or 177569042 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 38.

The spelling of 20372400426044 in words is "twenty trillion, three hundred seventy-two billion, four hundred million, four hundred twenty-six thousand, forty-four".