1720200188372 has 12 divisors (see below), whose sum is σ = 3020624564916. Its totient is φ = 857164598400.

The previous prime is 1720200188363. The next prime is 1720200188381. The reversal of 1720200188372 is 2738810020271.

It is an interprime number because it is at equal distance from previous prime (1720200188363) and next prime (1720200188381).

It can be written as a sum of positive squares in 2 ways, for example, as 1453196496196 + 267003692176 = 1205486^2 + 516724^2 .

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, 733872629 + ... + 733874972.

It is an arithmetic number, because the mean of its divisors is an integer number (251718713743).

Almost surely, 2^{1720200188372} is an apocalyptic number.

It is an amenable number.

1720200188372 is a deficient number, since it is larger than the sum of its proper divisors (1300424376544).

1720200188372 is a wasteful number, since it uses less digits than its factorization.

1720200188372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1467747898 (or 1467747896 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 41.

The spelling of 1720200188372 in words is "one trillion, seven hundred twenty billion, two hundred million, one hundred eighty-eight thousand, three hundred seventy-two".