20276330469 has 16 divisors (see below), whose sum is σ = 27893894400. Its totient is φ = 13094617536.

The previous prime is 20276330387. The next prime is 20276330497. The reversal of 20276330469 is 96403367202.

It is not a de Polignac number, because 20276330469 - 2¹⁶ = 20276264933 is a prime.

It is a super-2 number, since 2×20276330469² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20276330469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20276330369) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 794554 + ... + 819675.

It is an arithmetic number, because the mean of its divisors is an integer number (1743368400).

Almost surely, 2^20276330469 is an apocalyptic number.

It is an amenable number.

20276330469 is a deficient number, since it is larger than the sum of its proper divisors (7617563931).

20276330469 is a wasteful number, since it uses less digits than its factorization.

20276330469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1614364.

The product of its (nonzero) digits is 326592, while the sum is 42.

The spelling of 20276330469 in words is "twenty billion, two hundred seventy-six million, three hundred thirty thousand, four hundred sixty-nine".