20626123080 has 64 divisors (see below), whose sum is σ = 64568741760. Its totient is φ = 5261155328.

The previous prime is 20626123031. The next prime is 20626123097. The reversal of 20626123080 is 8032162602.

It is a super-2 number, since 2×20626123080² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3733857 + ... + 3739376.

It is an arithmetic number, because the mean of its divisors is an integer number (1008886590).

Almost surely, 2^20626123080 is an apocalyptic number.

20626123080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20626123080 is an abundant number, since it is smaller than the sum of its proper divisors (43942618680).

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

20626123080 is a wasteful number, since it uses less digits than its factorization.

20626123080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7473270 (or 7473266 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 20626123080 its reverse (8032162602), we get a palindrome (28658285682).

The spelling of 20626123080 in words is "twenty billion, six hundred twenty-six million, one hundred twenty-three thousand, eighty".