20002133231030 has 32 divisors (see below), whose sum is σ = 36225688514400. Its totient is φ = 7951556201472.

The previous prime is 20002133231029. The next prime is 20002133231039. The reversal of 20002133231030 is 3013233120002.

It is a junction number, because it is equal to n+sod(n) for n = 20002133230993 and 20002133231011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20002133231039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70256006 + ... + 70540134.

It is an arithmetic number, because the mean of its divisors is an integer number (1132052766075).

Almost surely, 2^{20002133231030} is an apocalyptic number.

20002133231030 is a deficient number, since it is larger than the sum of its proper divisors (16223555283370).

20002133231030 is a wasteful number, since it uses less digits than its factorization.

20002133231030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327488.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 20002133231030 its reverse (3013233120002), we get a palindrome (23015366351032).

The spelling of 20002133231030 in words is "twenty trillion, two billion, one hundred thirty-three million, two hundred thirty-one thousand, thirty".