20225355242 has 16 divisors (see below), whose sum is σ = 30826425312. Its totient is φ = 9951109200.

The previous prime is 20225355181. The next prime is 20225355299. The reversal of 20225355242 is 24255352202.

It is a junction number, because it is equal to n+sod(n) for n = 20225355199 and 20225355208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 274208 + ... + 340059.

It is an arithmetic number, because the mean of its divisors is an integer number (1926651582).

Almost surely, 2^20225355242 is an apocalyptic number.

20225355242 is a deficient number, since it is larger than the sum of its proper divisors (10601070070).

20225355242 is a wasteful number, since it uses less digits than its factorization.

20225355242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614533.

The product of its (nonzero) digits is 48000, while the sum is 32.

The spelling of 20225355242 in words is "twenty billion, two hundred twenty-five million, three hundred fifty-five thousand, two hundred forty-two".