4020133402 has 4 divisors (see below), whose sum is σ = 6030200106. Its totient is φ = 2010066700.

The previous prime is 4020133399. The next prime is 4020133421. The reversal of 4020133402 is 2043310204.

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., 3720878001 + 299255401 = 60999^2 + 17299^2 .

It is a super-2 number, since 2×4020133402² = 32322945139752187208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4020133402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005033349 + ... + 1005033352.

Almost surely, 2^4020133402 is an apocalyptic number.

4020133402 is a deficient number, since it is larger than the sum of its proper divisors (2010066704).

4020133402 is a wasteful number, since it uses less digits than its factorization.

4020133402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010066703.

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

The square root of 4020133402 is about 63404.5219365307. The cubic root of 4020133402 is about 1590.0599112480.

Adding to 4020133402 its reverse (2043310204), we get a palindrome (6063443606).

The spelling of 4020133402 in words is "four billion, twenty million, one hundred thirty-three thousand, four hundred two".