20001421302 has 16 divisors (see below), whose sum is σ = 40369842480. Its totient is φ = 6605973792.

The previous prime is 20001421273. The next prime is 20001421303. The reversal of 20001421302 is 20312410002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20001421303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15290953 + ... + 15292260.

It is an arithmetic number, because the mean of its divisors is an integer number (2523115155).

Almost surely, 2^20001421302 is an apocalyptic number.

20001421302 is an abundant number, since it is smaller than the sum of its proper divisors (20368421178).

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

20001421302 is a wasteful number, since it uses less digits than its factorization.

20001421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30583327.

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 20001421302 its reverse (20312410002), we get a palindrome (40313831304).

The spelling of 20001421302 in words is "twenty billion, one million, four hundred twenty-one thousand, three hundred two".