20072262100 has 72 divisors (see below), whose sum is σ = 50311654848. Its totient is φ = 6869644800.

The previous prime is 20072262079. The next prime is 20072262103. The reversal of 20072262100 is 126227002.

It is a super-2 number, since 2×20072262100² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20072262103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 517992 + ... + 555391.

It is an arithmetic number, because the mean of its divisors is an integer number (698772984).

Almost surely, 2^20072262100 is an apocalyptic number.

20072262100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20072262100 is an abundant number, since it is smaller than the sum of its proper divisors (30239392748).

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

20072262100 is a wasteful number, since it uses less digits than its factorization.

20072262100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073425 (or 1073418 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

Adding to 20072262100 its reverse (126227002), we get a palindrome (20198489102).

The spelling of 20072262100 in words is "twenty billion, seventy-two million, two hundred sixty-two thousand, one hundred".