20401442300 has 36 divisors (see below), whose sum is σ = 44480991576. Its totient is φ = 8121892800.

The previous prime is 20401442249. The next prime is 20401442339. The reversal of 20401442300 is 324410402.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 462347 + ... + 504546.

Almost surely, 2^20401442300 is an apocalyptic number.

20401442300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20401442300 is an abundant number, since it is smaller than the sum of its proper divisors (24079549276).

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

20401442300 is a wasteful number, since it uses less digits than its factorization.

20401442300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967118 (or 967111 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 20401442300 its reverse (324410402), we get a palindrome (20725852702).

The spelling of 20401442300 in words is "twenty billion, four hundred one million, four hundred forty-two thousand, three hundred".