1020402223403 has 8 divisors (see below), whose sum is σ = 1066454981376. Its totient is φ = 974490085800.

The previous prime is 1020402223331. The next prime is 1020402223433. The reversal of 1020402223403 is 3043222040201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020402223403 - 2¹⁶ = 1020402157867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020402223433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35140253 + ... + 35169278.

It is an arithmetic number, because the mean of its divisors is an integer number (133306872672).

Almost surely, 2^{1020402223403} is an apocalyptic number.

1020402223403 is a deficient number, since it is larger than the sum of its proper divisors (46052757973).

1020402223403 is an equidigital number, since it uses as much as digits as its factorization.

1020402223403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70310185.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 1020402223403 its reverse (3043222040201), we get a palindrome (4063624263604).

The spelling of 1020402223403 in words is "one trillion, twenty billion, four hundred two million, two hundred twenty-three thousand, four hundred three".