20490038294 has 8 divisors (see below), whose sum is σ = 33529153608. Its totient is φ = 9313653760.

The previous prime is 20490038291. The next prime is 20490038297. The reversal of 20490038294 is 49283009402.

It is an interprime number because it is at equal distance from previous prime (20490038291) and next prime (20490038297).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20490038291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465682667 + ... + 465682710.

It is an arithmetic number, because the mean of its divisors is an integer number (4191144201).

Almost surely, 2^20490038294 is an apocalyptic number.

20490038294 is a deficient number, since it is larger than the sum of its proper divisors (13039115314).

20490038294 is a wasteful number, since it uses less digits than its factorization.

20490038294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931365390.

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 20490038294 in words is "twenty billion, four hundred ninety million, thirty-eight thousand, two hundred ninety-four".