20187020203372 has 24 divisors (see below), whose sum is σ = 39003180334272. Its totient is φ = 9065365040400.

The previous prime is 20187020203367. The next prime is 20187020203391. The reversal of 20187020203372 is 27330202078102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2763827154 + ... + 2763834457.

It is an arithmetic number, because the mean of its divisors is an integer number (1625132513928).

Almost surely, 2^{20187020203372} is an apocalyptic number.

20187020203372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20187020203372 is a deficient number, since it is larger than the sum of its proper divisors (18816160130900).

20187020203372 is a wasteful number, since it uses less digits than its factorization.

20187020203372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5527661709 (or 5527661707 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 37.

The spelling of 20187020203372 in words is "twenty trillion, one hundred eighty-seven billion, twenty million, two hundred three thousand, three hundred seventy-two".