20301400020 has 48 divisors (see below), whose sum is σ = 62011551168. Its totient is φ = 4921551360.

The previous prime is 20301399953. The next prime is 20301400129. The reversal of 20301400020 is 2000410302.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20301399969 and 20301400005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15379189 + ... + 15380508.

It is an arithmetic number, because the mean of its divisors is an integer number (1291907316).

Almost surely, 2^20301400020 is an apocalyptic number.

20301400020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20301400020 is an abundant number, since it is smaller than the sum of its proper divisors (41710151148).

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

20301400020 is a wasteful number, since it uses less digits than its factorization.

20301400020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30759720 (or 30759718 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

Adding to 20301400020 its reverse (2000410302), we get a palindrome (22301810322).

The spelling of 20301400020 in words is "twenty billion, three hundred one million, four hundred thousand, twenty".