1720223022032 has 10 divisors (see below), whose sum is σ = 3332932105218. Its totient is φ = 860111511008.

The previous prime is 1720223022019. The next prime is 1720223022059. The reversal of 1720223022032 is 2302203220271.

It can be written as a sum of positive squares in only one way, i.e., 1146150101056 + 574072920976 = 1070584^2 + 757676^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1720223021992 and 1720223022010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53756969423 + ... + 53756969454.

Almost surely, 2^{1720223022032} is an apocalyptic number.

It is an amenable number.

1720223022032 is a deficient number, since it is larger than the sum of its proper divisors (1612709083186).

1720223022032 is a wasteful number, since it uses less digits than its factorization.

1720223022032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107513938885 (or 107513938879 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 26.

The spelling of 1720223022032 in words is "one trillion, seven hundred twenty billion, two hundred twenty-three million, twenty-two thousand, thirty-two".