20001023202 has 16 divisors (see below), whose sum is σ = 40241581632. Its totient is φ = 6627085200.

The previous prime is 20001023183. The next prime is 20001023219. The reversal of 20001023202 is 20232010002.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9979549 + ... + 9981552.

It is an arithmetic number, because the mean of its divisors is an integer number (2515098852).

Almost surely, 2^20001023202 is an apocalyptic number.

20001023202 is an abundant number, since it is smaller than the sum of its proper divisors (20240558430).

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

20001023202 is a wasteful number, since it uses less digits than its factorization.

20001023202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19961273.

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20001023202 its reverse (20232010002), we get a palindrome (40233033204).

The spelling of 20001023202 in words is "twenty billion, one million, twenty-three thousand, two hundred two".