202101442 has 8 divisors (see below), whose sum is σ = 319107600. Its totient is φ = 95732244.

The previous prime is 202101439. The next prime is 202101443. The reversal of 202101442 is 244101202.

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

It is not an unprimeable number, because it can be changed into a prime (202101443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2659192 + ... + 2659267.

It is an arithmetic number, because the mean of its divisors is an integer number (39888450).

Almost surely, 2^202101442 is an apocalyptic number.

202101442 is a deficient number, since it is larger than the sum of its proper divisors (117006158).

202101442 is a wasteful number, since it uses less digits than its factorization.

202101442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5318480.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 202101442 is about 14216.2386727292. The cubic root of 202101442 is about 586.8446334361.

Adding to 202101442 its reverse (244101202), we get a palindrome (446202644).

The spelling of 202101442 in words is "two hundred two million, one hundred one thousand, four hundred forty-two".