20061009020 has 48 divisors (see below), whose sum is σ = 47756583840. Its totient is φ = 7017290496.

The previous prime is 20061008993. The next prime is 20061009043. The reversal of 20061009020 is 2090016002.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 20061008983 and 20061009001.

It is a congruent number.

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, 2025527 + ... + 2035406.

It is an arithmetic number, because the mean of its divisors is an integer number (994928830).

Almost surely, 2^20061009020 is an apocalyptic number.

20061009020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20061009020 is an abundant number, since it is smaller than the sum of its proper divisors (27695574820).

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

20061009020 is a wasteful number, since it uses less digits than its factorization.

20061009020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4060974 (or 4060972 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 20061009020 in words is "twenty billion, sixty-one million, nine thousand, twenty".