1402020524 has 12 divisors (see below), whose sum is σ = 2459944704. Its totient is φ = 699179184.

The previous prime is 1402020497. The next prime is 1402020533. The reversal of 1402020524 is 4250202041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1402020496 and 1402020505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 456047 + ... + 459110.

It is an arithmetic number, because the mean of its divisors is an integer number (204995392).

Almost surely, 2^1402020524 is an apocalyptic number.

It is an amenable number.

1402020524 is a deficient number, since it is larger than the sum of its proper divisors (1057924180).

1402020524 is a wasteful number, since it uses less digits than its factorization.

1402020524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915544 (or 915542 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 1402020524 is about 37443.5645204887. The cubic root of 1402020524 is about 1119.2268590648.

Adding to 1402020524 its reverse (4250202041), we get a palindrome (5652222565).

The spelling of 1402020524 in words is "one billion, four hundred two million, twenty thousand, five hundred twenty-four".