20010100488 has 32 divisors (see below), whose sum is σ = 57171716160. Its totient is φ = 5717171520.

The previous prime is 20010100403. The next prime is 20010100489. The reversal of 20010100488 is 88400101002.

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

It is not an unprimeable number, because it can be changed into a prime (20010100489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59553703 + ... + 59554038.

It is an arithmetic number, because the mean of its divisors is an integer number (1786616130).

Almost surely, 2^20010100488 is an apocalyptic number.

20010100488 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20010100488 is an abundant number, since it is smaller than the sum of its proper divisors (37161615672).

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

20010100488 is a wasteful number, since it uses less digits than its factorization.

20010100488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119107757 (or 119107753 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The spelling of 20010100488 in words is "twenty billion, ten million, one hundred thousand, four hundred eighty-eight".