20714280399 has 48 divisors (see below), whose sum is σ = 31577270400. Its totient is φ = 13066679808.

The previous prime is 20714280373. The next prime is 20714280409. The reversal of 20714280399 is 99308241702.

It is not a de Polignac number, because 20714280399 - 2¹⁷ = 20714149327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20714280319) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2821137 + ... + 2828469.

It is an arithmetic number, because the mean of its divisors is an integer number (657859800).

Almost surely, 2^20714280399 is an apocalyptic number.

20714280399 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

20714280399 is a deficient number, since it is larger than the sum of its proper divisors (10862990001).

20714280399 is a wasteful number, since it uses less digits than its factorization.

20714280399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7584 (or 7581 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 20714280399 in words is "twenty billion, seven hundred fourteen million, two hundred eighty thousand, three hundred ninety-nine".