20000002080 has 48 divisors (see below), whose sum is σ = 63000008064. Its totient is φ = 5333333760.

The previous prime is 20000002051. The next prime is 20000002081. The reversal of 20000002080 is 8020000002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (20000002081) 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, 20832856 + ... + 20833815.

It is an arithmetic number, because the mean of its divisors is an integer number (1312500168).

Almost surely, 2^20000002080 is an apocalyptic number.

20000002080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20000002080 is an abundant number, since it is smaller than the sum of its proper divisors (43000005984).

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

20000002080 is a wasteful number, since it uses less digits than its factorization.

20000002080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41666689 (or 41666681 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 20000002080 its reverse (8020000002), we get a palindrome (28020002082).

The spelling of 20000002080 in words is "twenty billion, two thousand, eighty".