20020001001202 has 4 divisors (see below), whose sum is σ = 30030001501806. Its totient is φ = 10010000500600.

The previous prime is 20020001001173. The next prime is 20020001001251. The reversal of 20020001001202 is 20210010002002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11462158707561 + 8557842293641 = 3385581^2 + 2925379^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005000250299 + ... + 5005000250302.

Almost surely, 2^{20020001001202} is an apocalyptic number.

20020001001202 is a deficient number, since it is larger than the sum of its proper divisors (10010000500604).

20020001001202 is a wasteful number, since it uses less digits than its factorization.

20020001001202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010000500603.

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 20020001001202 its reverse (20210010002002), we get a palindrome (40230011003204).

The spelling of 20020001001202 in words is "twenty trillion, twenty billion, one million, one thousand, two hundred two".