202012044 has 72 divisors (see below), whose sum is σ = 518500752. Its totient is φ = 60852480.

The previous prime is 202012039. The next prime is 202012049. The reversal of 202012044 is 440210202.

It is an interprime number because it is at equal distance from previous prime (202012039) and next prime (202012049).

It is not an unprimeable number, because it can be changed into a prime (202012049) 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, 437974 + ... + 438434.

Almost surely, 2^202012044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202012044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259250376).

202012044 is an abundant number, since it is smaller than the sum of its proper divisors (316488708).

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

202012044 is a wasteful number, since it uses less digits than its factorization.

202012044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587 (or 532 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 202012044 is about 14213.0941036778. The cubic root of 202012044 is about 586.7580919558.

Adding to 202012044 its reverse (440210202), we get a palindrome (642222246).

The spelling of 202012044 in words is "two hundred two million, twelve thousand, forty-four".