1020443203151 has 16 divisors (see below), whose sum is σ = 1048402502208. Its totient is φ = 992925024000.

The previous prime is 1020443203139. The next prime is 1020443203187. The reversal of 1020443203151 is 1513023440201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1020443203151 - 2²² = 1020439008847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1020443203151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020443203951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2017205 + ... + 2471841.

It is an arithmetic number, because the mean of its divisors is an integer number (65525156388).

Almost surely, 2^{1020443203151} is an apocalyptic number.

1020443203151 is a deficient number, since it is larger than the sum of its proper divisors (27959299057).

1020443203151 is a wasteful number, since it uses less digits than its factorization.

1020443203151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455122.

The product of its (nonzero) digits is 2880, while the sum is 26.

Adding to 1020443203151 its reverse (1513023440201), we get a palindrome (2533466643352).

The spelling of 1020443203151 in words is "one trillion, twenty billion, four hundred forty-three million, two hundred three thousand, one hundred fifty-one".