20200133345 has 16 divisors (see below), whose sum is σ = 27709212288. Its totient is φ = 13848433920.

The previous prime is 20200133287. The next prime is 20200133357. The reversal of 20200133345 is 54333100202.

It is not a de Polignac number, because 20200133345 - 2⁸ = 20200133089 is a prime.

It is a super-4 number, since 4×20200133345⁴ (a number of 42 digits) contains 4444 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20200133345.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101030 + ... + 224960.

It is an arithmetic number, because the mean of its divisors is an integer number (1731825768).

Almost surely, 2^20200133345 is an apocalyptic number.

It is an amenable number.

20200133345 is a deficient number, since it is larger than the sum of its proper divisors (7509078943).

20200133345 is a wasteful number, since it uses less digits than its factorization.

20200133345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128600.

The product of its (nonzero) digits is 2160, while the sum is 23.

Adding to 20200133345 its reverse (54333100202), we get a palindrome (74533233547).

The spelling of 20200133345 in words is "twenty billion, two hundred million, one hundred thirty-three thousand, three hundred forty-five".