20094226628 has 96 divisors (see below), whose sum is σ = 41845579776. Its totient is φ = 8264938752.

The previous prime is 20094226613. The next prime is 20094226673. The reversal of 20094226628 is 82662249002.

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, 23283725 + ... + 23284587.

It is an arithmetic number, because the mean of its divisors is an integer number (435891456).

Almost surely, 2^20094226628 is an apocalyptic number.

20094226628 is a gapful number since it is divisible by the number (28) 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 20094226628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20922789888).

20094226628 is an abundant number, since it is smaller than the sum of its proper divisors (21751353148).

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

20094226628 is a wasteful number, since it uses less digits than its factorization.

20094226628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233 (or 1231 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 20094226628 in words is "twenty billion, ninety-four million, two hundred twenty-six thousand, six hundred twenty-eight".