20131433121010 has 16 divisors (see below), whose sum is σ = 36595357635672. Its totient is φ = 7972844800000.

The previous prime is 20131433121001. The next prime is 20131433121011. The reversal of 20131433121010 is 1012133413102.

It can be written as a sum of positive squares in 4 ways, for example, as 16882459315929 + 3248973805081 = 4108827^2 + 1802491^2 .

It is not an unprimeable number, because it can be changed into a prime (20131433121011) 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, 9966054991 + ... + 9966057010.

Almost surely, 2^{20131433121010} is an apocalyptic number.

20131433121010 is a deficient number, since it is larger than the sum of its proper divisors (16463924514662).

20131433121010 is a wasteful number, since it uses less digits than its factorization.

20131433121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19932112109.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20131433121010 its reverse (1012133413102), we get a palindrome (21143566534112).

The spelling of 20131433121010 in words is "twenty trillion, one hundred thirty-one billion, four hundred thirty-three million, one hundred twenty-one thousand, ten".