20220734800 has 240 divisors, whose sum is σ = 59693322240. Its totient is φ = 6427399680.

The previous prime is 20220734797. The next prime is 20220734803. The reversal of 20220734800 is 843702202.

It is an interprime number because it is at equal distance from previous prime (20220734797) and next prime (20220734803).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220734803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2496357 + ... + 2504443.

It is an arithmetic number, because the mean of its divisors is an integer number (248722176).

Almost surely, 2^20220734800 is an apocalyptic number.

20220734800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20220734800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29846661120).

20220734800 is an abundant number, since it is smaller than the sum of its proper divisors (39472587440).

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

20220734800 is a wasteful number, since it uses less digits than its factorization.

20220734800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8178 (or 8167 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The spelling of 20220734800 in words is "twenty billion, two hundred twenty million, seven hundred thirty-four thousand, eight hundred".