202354421992 has 32 divisors (see below), whose sum is σ = 382444662600. Its totient is φ = 100371916800.

The previous prime is 202354421921. The next prime is 202354421993. The reversal of 202354421992 is 299124453202.

202354421992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 198464904036 + 3889517956 = 445494^2 + 62366^2 .

It is not an unprimeable number, because it can be changed into a prime (202354421993) by changing a digit.

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, 421392 + ... + 763072.

Almost surely, 2^202354421992 is an apocalyptic number.

It is an amenable number.

202354421992 is a deficient number, since it is larger than the sum of its proper divisors (180090240608).

202354421992 is a wasteful number, since it uses less digits than its factorization.

202354421992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 342277 (or 342273 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 43.

The spelling of 202354421992 in words is "two hundred two billion, three hundred fifty-four million, four hundred twenty-one thousand, nine hundred ninety-two".