23066401020 has 72 divisors (see below), whose sum is σ = 69936266736. Its totient is φ = 5677880832.

The previous prime is 23066401003. The next prime is 23066401051. The reversal of 23066401020 is 2010466032.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1127257 + ... + 1147536.

It is an arithmetic number, because the mean of its divisors is an integer number (971337038).

Almost surely, 2^23066401020 is an apocalyptic number.

23066401020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23066401020 is an abundant number, since it is smaller than the sum of its proper divisors (46869865716).

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

23066401020 is a wasteful number, since it uses less digits than its factorization.

23066401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2274831 (or 2274816 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 23066401020 its reverse (2010466032), we get a palindrome (25076867052).

The spelling of 23066401020 in words is "twenty-three billion, sixty-six million, four hundred one thousand, twenty".