20211420102 has 16 divisors (see below), whose sum is σ = 40424431872. Its totient is φ = 6736874760.

The previous prime is 20211420067. The next prime is 20211420113. The reversal of 20211420102 is 20102411202.

20211420102 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 156183 + ... + 254589.

It is an arithmetic number, because the mean of its divisors is an integer number (2526526992).

Almost surely, 2^20211420102 is an apocalyptic number.

20211420102 is an abundant number, since it is smaller than the sum of its proper divisors (20213011770).

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

20211420102 is a wasteful number, since it uses less digits than its factorization.

20211420102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132643.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 20211420102 its reverse (20102411202), we get a palindrome (40313831304).

The spelling of 20211420102 in words is "twenty billion, two hundred eleven million, four hundred twenty thousand, one hundred two".