20355250444 has 24 divisors (see below), whose sum is σ = 35848189440. Its totient is φ = 10113110784.

The previous prime is 20355250397. The next prime is 20355250459. The reversal of 20355250444 is 44405255302.

It is a super-3 number, since 3×20355250444³ (a number of 32 digits) contains 333 as substring.

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, 387412 + ... + 436804.

It is an arithmetic number, because the mean of its divisors is an integer number (1493674560).

Almost surely, 2^20355250444 is an apocalyptic number.

It is an amenable number.

20355250444 is a deficient number, since it is larger than the sum of its proper divisors (15492938996).

20355250444 is a wasteful number, since it uses less digits than its factorization.

20355250444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50049 (or 50047 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 34.

The spelling of 20355250444 in words is "twenty billion, three hundred fifty-five million, two hundred fifty thousand, four hundred forty-four".