20402348000 has 48 divisors (see below), whose sum is σ = 50128578864. Its totient is φ = 8160937600.

The previous prime is 20402347997. The next prime is 20402348003. The reversal of 20402348000 is 84320402.

It is an interprime number because it is at equal distance from previous prime (20402347997) and next prime (20402348003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20402348003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2546294 + ... + 2554293.

It is an arithmetic number, because the mean of its divisors is an integer number (1044345393).

Almost surely, 2^20402348000 is an apocalyptic number.

20402348000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20402348000 is an abundant number, since it is smaller than the sum of its proper divisors (29726230864).

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

20402348000 is an equidigital number, since it uses as much as digits as its factorization.

20402348000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5100612 (or 5100594 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 20402348000 its reverse (84320402), we get a palindrome (20486668402).

The spelling of 20402348000 in words is "twenty billion, four hundred two million, three hundred forty-eight thousand".