20203141421002 has 4 divisors (see below), whose sum is σ = 30304712131506. Its totient is φ = 10101570710500.

The previous prime is 20203141420967. The next prime is 20203141421027. The reversal of 20203141421002 is 20012414130202.

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., 15539135364841 + 4664006056161 = 3941971^2 + 2159631^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050785355249 + ... + 5050785355252.

Almost surely, 2^{20203141421002} is an apocalyptic number.

20203141421002 is a deficient number, since it is larger than the sum of its proper divisors (10101570710504).

20203141421002 is a wasteful number, since it uses less digits than its factorization.

20203141421002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10101570710503.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 20203141421002 its reverse (20012414130202), we get a palindrome (40215555551204).

The spelling of 20203141421002 in words is "twenty trillion, two hundred three billion, one hundred forty-one million, four hundred twenty-one thousand, two".