20214121702 has 16 divisors (see below), whose sum is σ = 31303065600. Its totient is φ = 9779845320.

The previous prime is 20214121693. The next prime is 20214121777. The reversal of 20214121702 is 20712141202.

It is a super-2 number, since 2×20214121702² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 720249 + ... + 747787.

It is an arithmetic number, because the mean of its divisors is an integer number (1956441600).

Almost surely, 2^20214121702 is an apocalyptic number.

20214121702 is a deficient number, since it is larger than the sum of its proper divisors (11088943898).

20214121702 is a wasteful number, since it uses less digits than its factorization.

20214121702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39411.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 20214121702 its reverse (20712141202), we get a palindrome (40926262904).

The spelling of 20214121702 in words is "twenty billion, two hundred fourteen million, one hundred twenty-one thousand, seven hundred two".