20020202072 has 32 divisors (see below), whose sum is σ = 40533865680. Its totient is φ = 9215303040.

The previous prime is 20020202071. The next prime is 20020202107. The reversal of 20020202072 is 27020202002.

It is a self number, because there is not a number n which added to its sum of digits gives 20020202072.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20020202071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219254 + ... + 296837.

Almost surely, 2^20020202072 is an apocalyptic number.

It is an amenable number.

20020202072 is an abundant number, since it is smaller than the sum of its proper divisors (20513663608).

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

20020202072 is a wasteful number, since it uses less digits than its factorization.

20020202072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516483 (or 516479 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 17.

Adding to 20020202072 its reverse (27020202002), we get a palindrome (47040404074).

The spelling of 20020202072 in words is "twenty billion, twenty million, two hundred two thousand, seventy-two".