20929068 has 36 divisors (see below), whose sum is σ = 54731040. Its totient is φ = 6735456.

The previous prime is 20929063. The next prime is 20929099. The reversal of 20929068 is 86092902.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (20929063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8980 + ... + 11067.

Almost surely, 2^20929068 is an apocalyptic number.

It is an amenable number.

20929068 is an abundant number, since it is smaller than the sum of its proper divisors (33801972).

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

20929068 is a wasteful number, since it uses less digits than its factorization.

20929068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20086 (or 20081 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 20929068 is about 4574.8298329009. The cubic root of 20929068 is about 275.5814386553.

The spelling of 20929068 in words is "twenty million, nine hundred twenty-nine thousand, sixty-eight".