20470294 has 24 divisors (see below), whose sum is σ = 33756912. Its totient is φ = 9303840.

The previous prime is 20470291. The next prime is 20470297. The reversal of 20470294 is 49207402.

It is an interprime number because it is at equal distance from previous prime (20470291) and next prime (20470297).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20470291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23572 + ... + 24424.

It is an arithmetic number, because the mean of its divisors is an integer number (1406538).

Almost surely, 2^20470294 is an apocalyptic number.

20470294 is a deficient number, since it is larger than the sum of its proper divisors (13286618).

20470294 is a wasteful number, since it uses less digits than its factorization.

20470294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952 (or 939 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20470294 is about 4524.4109008798. The cubic root of 20470294 is about 273.5529232153.

Adding to 20470294 its reverse (49207402), we get a palindrome (69677696).

The spelling of 20470294 in words is "twenty million, four hundred seventy thousand, two hundred ninety-four".