20747405214 has 48 divisors (see below), whose sum is σ = 46523224800. Its totient is φ = 6674394048.

The previous prime is 20747405201. The next prime is 20747405227. The reversal of 20747405214 is 41250474702.

20747405214 is a `hidden beast` number, since 20 + 74 + 7 + 40 + 521 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (20747405201) and next prime (20747405227).

It is a super-2 number, since 2×20747405214² (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 23 ways as a sum of consecutive naturals, for example, 1398367 + ... + 1413125.

It is an arithmetic number, because the mean of its divisors is an integer number (969233850).

Almost surely, 2^20747405214 is an apocalyptic number.

20747405214 is an abundant number, since it is smaller than the sum of its proper divisors (25775819586).

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

20747405214 is a wasteful number, since it uses less digits than its factorization.

20747405214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17489 (or 17486 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 36.

Adding to 20747405214 its reverse (41250474702), we get a palindrome (61997879916).

The spelling of 20747405214 in words is "twenty billion, seven hundred forty-seven million, four hundred five thousand, two hundred fourteen".