20253188135202 has 16 divisors (see below), whose sum is σ = 44188774113312. Its totient is φ = 6137329737920.

The previous prime is 20253188135177. The next prime is 20253188135203.

20253188135202 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (20253188135203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153433243383 + ... + 153433243514.

It is an arithmetic number, because the mean of its divisors is an integer number (2761798382082).

Almost surely, 2^{20253188135202} is an apocalyptic number.

20253188135202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20253188135202 is an abundant number, since it is smaller than the sum of its proper divisors (23935585978110).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20253188135202 is a wasteful number, since it uses less digits than its factorization.

20253188135202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306866486913.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 20253188135202 in words is "twenty trillion, two hundred fifty-three billion, one hundred eighty-eight million, one hundred thirty-five thousand, two hundred two".