20122896769 has 16 divisors (see below), whose sum is σ = 20506787136. Its totient is φ = 19743796800.

The previous prime is 20122896721. The next prime is 20122896809. The reversal of 20122896769 is 96769822102.

It is a cyclic number.

It is not a de Polignac number, because 20122896769 - 2⁷ = 20122896641 is a prime.

It is a super-2 number, since 2×20122896769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20122896709) 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, 4337319 + ... + 4341955.

It is an arithmetic number, because the mean of its divisors is an integer number (1281674196).

Almost surely, 2^20122896769 is an apocalyptic number.

It is an amenable number.

20122896769 is a deficient number, since it is larger than the sum of its proper divisors (383890367).

20122896769 is a wasteful number, since it uses less digits than its factorization.

20122896769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136.

The product of its (nonzero) digits is 1306368, while the sum is 52.

The spelling of 20122896769 in words is "twenty billion, one hundred twenty-two million, eight hundred ninety-six thousand, seven hundred sixty-nine".