20054070 has 24 divisors (see below), whose sum is σ = 52140816. Its totient is φ = 5347728.

The previous prime is 20054017. The next prime is 20054093. The reversal of 20054070 is 7045002.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111322 + ... + 111501.

It is an arithmetic number, because the mean of its divisors is an integer number (2172534).

Almost surely, 2^20054070 is an apocalyptic number.

20054070 is an abundant number, since it is smaller than the sum of its proper divisors (32086746).

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

20054070 is a wasteful number, since it uses less digits than its factorization.

20054070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222836 (or 222833 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 18.

The square root of 20054070 is about 4478.1770844843. The cubic root of 20054070 is about 271.6861558193.

Adding to 20054070 its reverse (7045002), we get a palindrome (27099072).

The spelling of 20054070 in words is "twenty million, fifty-four thousand, seventy".