45620020 has 12 divisors (see below), whose sum is σ = 95802084. Its totient is φ = 18248000.

The previous prime is 45620011. The next prime is 45620053. The reversal of 45620020 is 2002654.

It can be written as a sum of positive squares in 2 ways, for example, as 28281124 + 17338896 = 5318^2 + 4164^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45620020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140481 + ... + 1140520.

It is an arithmetic number, because the mean of its divisors is an integer number (7983507).

Almost surely, 2^45620020 is an apocalyptic number.

It is an amenable number.

45620020 is an abundant number, since it is smaller than the sum of its proper divisors (50182064).

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

45620020 is a wasteful number, since it uses less digits than its factorization.

45620020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2281010 (or 2281008 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 45620020 is about 6754.2593968547. The cubic root of 45620020 is about 357.3154735851.

Adding to 45620020 its reverse (2002654), we get a palindrome (47622674).

The spelling of 45620020 in words is "forty-five million, six hundred twenty thousand, twenty".