20237368402 has 4 divisors (see below), whose sum is σ = 30356052606. Its totient is φ = 10118684200.

The previous prime is 20237368399. The next prime is 20237368423. The reversal of 20237368402 is 20486373202.

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., 18469081801 + 1768286601 = 135901^2 + 42051^2 .

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 as a sum of consecutive naturals, namely, 5059342099 + ... + 5059342102.

Almost surely, 2^20237368402 is an apocalyptic number.

20237368402 is a deficient number, since it is larger than the sum of its proper divisors (10118684204).

20237368402 is a wasteful number, since it uses less digits than its factorization.

20237368402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10118684203.

The product of its (nonzero) digits is 96768, while the sum is 37.

The spelling of 20237368402 in words is "twenty billion, two hundred thirty-seven million, three hundred sixty-eight thousand, four hundred two".