20077152 has 48 divisors (see below), whose sum is σ = 52960320. Its totient is φ = 6659712.

The previous prime is 20077151. The next prime is 20077163. The reversal of 20077152 is 25177002.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×20077152² = 806184064862208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20077151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26799 + ... + 27537.

It is an arithmetic number, because the mean of its divisors is an integer number (1103340).

Almost surely, 2^20077152 is an apocalyptic number.

It is an amenable number.

20077152 is an abundant number, since it is smaller than the sum of its proper divisors (32883168).

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

20077152 is a wasteful number, since it uses less digits than its factorization.

20077152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 24.

The square root of 20077152 is about 4480.7535080609. The cubic root of 20077152 is about 271.7903517159.

The spelling of 20077152 in words is "twenty million, seventy-seven thousand, one hundred fifty-two".