20240233402 has 4 divisors (see below), whose sum is σ = 30360350106. Its totient is φ = 10120116700.

The previous prime is 20240233399. The next prime is 20240233477. The reversal of 20240233402 is 20433204202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20433204202 = 2 ⋅10216602101.

It can be written as a sum of positive squares in only one way, i.e., 11594767041 + 8645466361 = 107679^2 + 92981^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060058349 + ... + 5060058352.

Almost surely, 2^20240233402 is an apocalyptic number.

20240233402 is a deficient number, since it is larger than the sum of its proper divisors (10120116704).

20240233402 is a wasteful number, since it uses less digits than its factorization.

20240233402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10120116703.

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 20240233402 its reverse (20433204202), we get a palindrome (40673437604).

The spelling of 20240233402 in words is "twenty billion, two hundred forty million, two hundred thirty-three thousand, four hundred two".