20242692 has 18 divisors (see below), whose sum is σ = 51169118. Its totient is φ = 6747552.

The previous prime is 20242687. The next prime is 20242697. The reversal of 20242692 is 29624202.

It is an interprime number because it is at equal distance from previous prime (20242687) and next prime (20242697).

It can be written as a sum of positive squares in only one way, i.e., 20196036 + 46656 = 4494^2 + 216^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (20242697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 281113 + ... + 281184.

Almost surely, 2^20242692 is an apocalyptic number.

It is an amenable number.

20242692 is an abundant number, since it is smaller than the sum of its proper divisors (30926426).

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

20242692 is a wasteful number, since it uses less digits than its factorization.

20242692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562307 (or 562302 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 20242692 is about 4499.1879267263. The cubic root of 20242692 is about 272.5352960481.

Adding to 20242692 its reverse (29624202), we get a palindrome (49866894).

The spelling of 20242692 in words is "twenty million, two hundred forty-two thousand, six hundred ninety-two".