20101130 has 16 divisors (see below), whose sum is σ = 41351040. Its totient is φ = 6891792.

The previous prime is 20101129. The next prime is 20101141. The reversal of 20101130 is 3110102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143510 + ... + 143649.

It is an arithmetic number, because the mean of its divisors is an integer number (2584440).

Almost surely, 2^20101130 is an apocalyptic number.

20101130 is an abundant number, since it is smaller than the sum of its proper divisors (21249910).

20101130 is a wasteful number, since it uses less digits than its factorization.

20101130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287173.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 20101130 is about 4483.4283756964. The cubic root of 20101130 is about 271.8985077661.

Adding to 20101130 its reverse (3110102), we get a palindrome (23211232).

The spelling of 20101130 in words is "twenty million, one hundred one thousand, one hundred thirty".