20000233121146 has 16 divisors (see below), whose sum is σ = 31695160343040. Its totient is φ = 9449853358960.

The previous prime is 20000233120979. The next prime is 20000233121147. The reversal of 20000233121146 is 64112133200002.

It is a self number, because there is not a number n which added to its sum of digits gives 20000233121146.

It is not an unprimeable number, because it can be changed into a prime (20000233121147) 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, 3668418610 + ... + 3668424061.

It is an arithmetic number, because the mean of its divisors is an integer number (1980947521440).

Almost surely, 2^{20000233121146} is an apocalyptic number.

20000233121146 is a deficient number, since it is larger than the sum of its proper divisors (11694927221894).

20000233121146 is a wasteful number, since it uses less digits than its factorization.

20000233121146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7336842749.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 20000233121146 its reverse (64112133200002), we get a palindrome (84112366321148).

It can be divided in two parts, 2000023 and 3121146, that added together give a square (5121169 = 2263²).

The spelling of 20000233121146 in words is "twenty trillion, two hundred thirty-three million, one hundred twenty-one thousand, one hundred forty-six".