1020670201751 has 4 divisors (see below), whose sum is σ = 1020725382672. Its totient is φ = 1020615020832.

The previous prime is 1020670201741. The next prime is 1020670201769. The reversal of 1020670201751 is 1571020760201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020670201751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020670201741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27562706 + ... + 27599711.

It is an arithmetic number, because the mean of its divisors is an integer number (255181345668).

Almost surely, 2^{1020670201751} is an apocalyptic number.

1020670201751 is a deficient number, since it is larger than the sum of its proper divisors (55180921).

1020670201751 is an equidigital number, since it uses as much as digits as its factorization.

1020670201751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55180920.

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 1020670201751 its reverse (1571020760201), we get a palindrome (2591690961952).

The spelling of 1020670201751 in words is "one trillion, twenty billion, six hundred seventy million, two hundred one thousand, seven hundred fifty-one".