20019824202 has 32 divisors (see below), whose sum is σ = 48168000000. Its totient is φ = 5418899568.

The previous prime is 20019824159. The next prime is 20019824203. The reversal of 20019824202 is 20242891002.

It is a super-2 number, since 2×20019824202² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20019824202.

It is not an unprimeable number, because it can be changed into a prime (20019824203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12542952 + ... + 12544547.

It is an arithmetic number, because the mean of its divisors is an integer number (1505250000).

Almost surely, 2^20019824202 is an apocalyptic number.

20019824202 is an abundant number, since it is smaller than the sum of its proper divisors (28148175798).

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

20019824202 is a wasteful number, since it uses less digits than its factorization.

20019824202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25087530.

The product of its (nonzero) digits is 4608, while the sum is 30.

The spelling of 20019824202 in words is "twenty billion, nineteen million, eight hundred twenty-four thousand, two hundred two".