202071042 has 48 divisors (see below), whose sum is σ = 472137120. Its totient is φ = 62251200.

The previous prime is 202070983. The next prime is 202071049. The reversal of 202071042 is 240170202.

202071042 = 1314² + 1315² + ... + 1421².

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202071049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6817 + ... + 21227.

It is an arithmetic number, because the mean of its divisors is an integer number (9836190).

Almost surely, 2^202071042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202071042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236068560).

202071042 is an abundant number, since it is smaller than the sum of its proper divisors (270066078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202071042 is a wasteful number, since it uses less digits than its factorization.

202071042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14479 (or 14476 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 202071042 is about 14215.1694326870. The cubic root of 202071042 is about 586.8152076665.

The spelling of 202071042 in words is "two hundred two million, seventy-one thousand, forty-two".