32152020 has 48 divisors (see below), whose sum is σ = 90393408. Its totient is φ = 8538880.

The previous prime is 32152019. The next prime is 32152031. The reversal of 32152020 is 2025123.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15907 + ... + 17813.

It is an arithmetic number, because the mean of its divisors is an integer number (1883196).

Almost surely, 2^32152020 is an apocalyptic number.

32152020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32152020 is an abundant number, since it is smaller than the sum of its proper divisors (58241388).

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

32152020 is a wasteful number, since it uses less digits than its factorization.

32152020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2200 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 32152020 is about 5670.2751256002. The cubic root of 32152020 is about 317.9821595149.

Adding to 32152020 its reverse (2025123), we get a palindrome (34177143).

The spelling of 32152020 in words is "thirty-two million, one hundred fifty-two thousand, twenty".