20762420 has 24 divisors (see below), whose sum is σ = 49830144. Its totient is φ = 7118496.

The previous prime is 20762419. The next prime is 20762437. The reversal of 20762420 is 2426702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74012 + ... + 74291.

It is an arithmetic number, because the mean of its divisors is an integer number (2076256).

Almost surely, 2^20762420 is an apocalyptic number.

20762420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20762420 is an abundant number, since it is smaller than the sum of its proper divisors (29067724).

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

20762420 is a wasteful number, since it uses less digits than its factorization.

20762420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148319 (or 148317 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 20762420 is about 4556.5798577442. The cubic root of 20762420 is about 274.8480482857.

The spelling of 20762420 in words is "twenty million, seven hundred sixty-two thousand, four hundred twenty".