3020143402 has 4 divisors (see below), whose sum is σ = 4530215106. Its totient is φ = 1510071700.

The previous prime is 3020143393. The next prime is 3020143421. The reversal of 3020143402 is 2043410203.

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

It can be written as a sum of positive squares in only one way, i.e., 2567347561 + 452795841 = 50669^2 + 21279^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3020143402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 755035849 + ... + 755035852.

Almost surely, 2^3020143402 is an apocalyptic number.

3020143402 is a deficient number, since it is larger than the sum of its proper divisors (1510071704).

3020143402 is a wasteful number, since it uses less digits than its factorization.

3020143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510071703.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3020143402 is about 54955.8313739316. The cubic root of 3020143402 is about 1445.4703516259.

Adding to 3020143402 its reverse (2043410203), we get a palindrome (5063553605).

The spelling of 3020143402 in words is "three billion, twenty million, one hundred forty-three thousand, four hundred two".