20433828749258 has 16 divisors (see below), whose sum is σ = 31606798129920. Its totient is φ = 9902450366256.

The previous prime is 20433828749239. The next prime is 20433828749297. The reversal of 20433828749258 is 85294782833402.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 20433828749194 and 20433828749203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1055238653 + ... + 1055258016.

It is an arithmetic number, because the mean of its divisors is an integer number (1975424883120).

Almost surely, 2^{20433828749258} is an apocalyptic number.

20433828749258 is a deficient number, since it is larger than the sum of its proper divisors (11172969380662).

20433828749258 is a wasteful number, since it uses less digits than its factorization.

20433828749258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2110496821.

The product of its (nonzero) digits is 185794560, while the sum is 65.

The spelling of 20433828749258 in words is "twenty trillion, four hundred thirty-three billion, eight hundred twenty-eight million, seven hundred forty-nine thousand, two hundred fifty-eight".