20207253833 has 8 divisors (see below), whose sum is σ = 21790264776. Its totient is φ = 18628329600.

The previous prime is 20207253827. The next prime is 20207253883. The reversal of 20207253833 is 33835270202.

It can be written as a sum of positive squares in 4 ways, for example, as 2542983184 + 17664270649 = 50428^2 + 132907^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20207253833 - 2³⁴ = 3027384649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20207253793 and 20207253802.

It is not an unprimeable number, because it can be changed into a prime (20207253883) 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, 1011398 + ... + 1031183.

It is an arithmetic number, because the mean of its divisors is an integer number (2723783097).

Almost surely, 2^20207253833 is an apocalyptic number.

It is an amenable number.

20207253833 is a deficient number, since it is larger than the sum of its proper divisors (1583010943).

20207253833 is a wasteful number, since it uses less digits than its factorization.

20207253833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043355.

The product of its (nonzero) digits is 60480, while the sum is 35.

The spelling of 20207253833 in words is "twenty billion, two hundred seven million, two hundred fifty-three thousand, eight hundred thirty-three".