1420243336502 has 16 divisors (see below), whose sum is σ = 2132064752832. Its totient is φ = 709555315200.

The previous prime is 1420243336481. The next prime is 1420243336507. The reversal of 1420243336502 is 2056333420241.

It is a happy number.

It is a super-2 number, since 2×1420243336502² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420243336507) 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, 12889748 + ... + 12999464.

It is an arithmetic number, because the mean of its divisors is an integer number (133254047052).

Almost surely, 2^{1420243336502} is an apocalyptic number.

1420243336502 is a deficient number, since it is larger than the sum of its proper divisors (711821416330).

1420243336502 is a wasteful number, since it uses less digits than its factorization.

1420243336502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114823.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 1420243336502 its reverse (2056333420241), we get a palindrome (3476576756743).

The spelling of 1420243336502 in words is "one trillion, four hundred twenty billion, two hundred forty-three million, three hundred thirty-six thousand, five hundred two".