20046628888 has 256 divisors, whose sum is σ = 49502638080. Its totient is φ = 7464960000.

The previous prime is 20046628859. The next prime is 20046628907. The reversal of 20046628888 is 88882664002.

It is a super-2 number, since 2×20046628888² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 24718003 + ... + 24718813.

It is an arithmetic number, because the mean of its divisors is an integer number (193369680).

Almost surely, 2^20046628888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20046628888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24751319040).

20046628888 is an abundant number, since it is smaller than the sum of its proper divisors (29456009192).

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

20046628888 is a wasteful number, since it uses less digits than its factorization.

20046628888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 20046628888 in words is "twenty billion, forty-six million, six hundred twenty-eight thousand, eight hundred eighty-eight".