402020014 has 8 divisors (see below), whose sum is σ = 657850968. Its totient is φ = 182736360.

The previous prime is 402019949. The next prime is 402020023. The reversal of 402020014 is 410020204.

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

It is a junction number, because it is equal to n+sod(n) for n = 402019976 and 402020003.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9136797 + ... + 9136840.

It is an arithmetic number, because the mean of its divisors is an integer number (82231371).

Almost surely, 2^402020014 is an apocalyptic number.

402020014 is a deficient number, since it is larger than the sum of its proper divisors (255830954).

402020014 is a wasteful number, since it uses less digits than its factorization.

402020014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18273650.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 402020014 is about 20050.4367533478. The cubic root of 402020014 is about 738.0445169152.

Adding to 402020014 its reverse (410020204), we get a palindrome (812040218).

The spelling of 402020014 in words is "four hundred two million, twenty thousand, fourteen".