1302020494357 has 8 divisors (see below), whose sum is σ = 1427822572032. Its totient is φ = 1177457846400.

The previous prime is 1302020494351. The next prime is 1302020494361. The reversal of 1302020494357 is 7534940202031.

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

It is not a de Polignac number, because 1302020494357 - 2¹¹ = 1302020492309 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 (1302020494351) 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, 309855228 + ... + 309859429.

It is an arithmetic number, because the mean of its divisors is an integer number (178477821504).

Almost surely, 2^{1302020494357} is an apocalyptic number.

It is an amenable number.

1302020494357 is a deficient number, since it is larger than the sum of its proper divisors (125802077675).

1302020494357 is a wasteful number, since it uses less digits than its factorization.

1302020494357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619714859.

The product of its (nonzero) digits is 181440, while the sum is 40.

Adding to 1302020494357 its reverse (7534940202031), we get a palindrome (8836960696388).

The spelling of 1302020494357 in words is "one trillion, three hundred two billion, twenty million, four hundred ninety-four thousand, three hundred fifty-seven".