20253235202 has 4 divisors (see below), whose sum is σ = 30379852806. Its totient is φ = 10126617600.

The previous prime is 20253235201. The next prime is 20253235213.

20253235202 is nontrivially palindromic in base 10.

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., 16058211841 + 4195023361 = 126721^2 + 64769^2 .

It is a super-2 number, since 2×20253235202² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20253235201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5063308799 + ... + 5063308802.

Almost surely, 2^20253235202 is an apocalyptic number.

20253235202 is a deficient number, since it is larger than the sum of its proper divisors (10126617604).

20253235202 is a wasteful number, since it uses less digits than its factorization.

20253235202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10126617603.

The product of its (nonzero) digits is 7200, while the sum is 26.

The spelling of 20253235202 in words is "twenty billion, two hundred fifty-three million, two hundred thirty-five thousand, two hundred two".