20545032 has 16 divisors (see below), whose sum is σ = 51362640. Its totient is φ = 6848336.

The previous prime is 20545001. The next prime is 20545037. The reversal of 20545032 is 23054502.

It is not an unprimeable number, because it can be changed into a prime (20545037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427998 + ... + 428045.

It is an arithmetic number, because the mean of its divisors is an integer number (3210165).

Almost surely, 2^20545032 is an apocalyptic number.

It is an amenable number.

20545032 is an abundant number, since it is smaller than the sum of its proper divisors (30817608).

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

20545032 is a wasteful number, since it uses less digits than its factorization.

20545032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856052 (or 856048 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 20545032 is about 4532.6627935464. The cubic root of 20545032 is about 273.8854370372.

Adding to 20545032 its reverse (23054502), we get a palindrome (43599534).

The spelling of 20545032 in words is "twenty million, five hundred forty-five thousand, thirty-two".