20425504401352 has 32 divisors (see below), whose sum is σ = 40247615548800. Its totient is φ = 9705645077184.

The previous prime is 20425504401307. The next prime is 20425504401377. The reversal of 20425504401352 is 25310440552402.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 802371952 + ... + 802397407.

It is an arithmetic number, because the mean of its divisors is an integer number (1257737985900).

Almost surely, 2^{20425504401352} is an apocalyptic number.

It is an amenable number.

20425504401352 is a deficient number, since it is larger than the sum of its proper divisors (19822111147448).

20425504401352 is a wasteful number, since it uses less digits than its factorization.

20425504401352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1604769445 (or 1604769441 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 20425504401352 its reverse (25310440552402), we get a palindrome (45735944953754).

The spelling of 20425504401352 in words is "twenty trillion, four hundred twenty-five billion, five hundred four million, four hundred one thousand, three hundred fifty-two".