20260494 has 24 divisors (see below), whose sum is σ = 44394480. Its totient is φ = 6677088.

The previous prime is 20260477. The next prime is 20260511. The reversal of 20260494 is 49406202.

It is an interprime number because it is at equal distance from previous prime (20260477) and next prime (20260511).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4722 + ... + 7925.

It is an arithmetic number, because the mean of its divisors is an integer number (1849770).

Almost surely, 2^20260494 is an apocalyptic number.

20260494 is an abundant number, since it is smaller than the sum of its proper divisors (24133986).

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

20260494 is a wasteful number, since it uses less digits than its factorization.

20260494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12744 (or 12741 counting only the distinct ones).

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

The square root of 20260494 is about 4501.1658489774. The cubic root of 20260494 is about 272.6151644075.

Adding to 20260494 its reverse (49406202), we get a palindrome (69666696).

The spelling of 20260494 in words is "twenty million, two hundred sixty thousand, four hundred ninety-four".