20862928011 has 8 divisors (see below), whose sum is σ = 27826851024. Its totient is φ = 13903811840.

The previous prime is 20862927977. The next prime is 20862928033. The reversal of 20862928011 is 11082926802.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20862928011 - 2⁹ = 20862927499 is a prime.

It is a super-2 number, since 2×20862928011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (20862928081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1191570 + ... + 1208951.

It is an arithmetic number, because the mean of its divisors is an integer number (3478356378).

Almost surely, 2^20862928011 is an apocalyptic number.

20862928011 is a deficient number, since it is larger than the sum of its proper divisors (6963923013).

20862928011 is a wasteful number, since it uses less digits than its factorization.

20862928011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2403421.

The product of its (nonzero) digits is 27648, while the sum is 39.

The spelling of 20862928011 in words is "twenty billion, eight hundred sixty-two million, nine hundred twenty-eight thousand, eleven".