1402020413 has 4 divisors (see below), whose sum is σ = 1484492220. Its totient is φ = 1319548608.

The previous prime is 1402020383. The next prime is 1402020419. The reversal of 1402020413 is 3140202041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1247714329 + 154306084 = 35323^2 + 12422^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402020413 - 2¹⁶ = 1401954877 is a prime.

It is a super-2 number, since 2×1402020413² = 3931322476937381138, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 82471789 = 1402020413 / (1 + 4 + 0 + 2 + 0 + 2 + 0 + 4 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1402020391 and 1402020400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1402020419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41235878 + ... + 41235911.

It is an arithmetic number, because the mean of its divisors is an integer number (371123055).

Almost surely, 2^1402020413 is an apocalyptic number.

It is an amenable number.

1402020413 is a deficient number, since it is larger than the sum of its proper divisors (82471807).

1402020413 is an equidigital number, since it uses as much as digits as its factorization.

1402020413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82471806.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1402020413 is about 37443.5630382580. The cubic root of 1402020413 is about 1119.2268295278.

Adding to 1402020413 its reverse (3140202041), we get a palindrome (4542222454).

The spelling of 1402020413 in words is "one billion, four hundred two million, twenty thousand, four hundred thirteen".