20220550251000 has 128 divisors (see below), whose sum is σ = 68823400239360. Its totient is φ = 4901951568000.

The previous prime is 20220550250993. The next prime is 20220550251029. The reversal of 20220550251000 is 15205502202.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306338974 + ... + 306404973.

It is an arithmetic number, because the mean of its divisors is an integer number (537682814370).

Almost surely, 2^{20220550251000} is an apocalyptic number.

20220550251000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20220550251000 is an abundant number, since it is smaller than the sum of its proper divisors (48602849988360).

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

20220550251000 is a wasteful number, since it uses less digits than its factorization.

20220550251000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612743982 (or 612743968 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

Adding to 20220550251000 its reverse (15205502202), we get a palindrome (20235755753202).

The spelling of 20220550251000 in words is "twenty trillion, two hundred twenty billion, five hundred fifty million, two hundred fifty-one thousand".