20146762 has 4 divisors (see below), whose sum is σ = 30220146. Its totient is φ = 10073380.

The previous prime is 20146757. The next prime is 20146787. The reversal of 20146762 is 26764102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26764102 = 2 ⋅13382051.

It can be written as a sum of positive squares in only one way, i.e., 18326961 + 1819801 = 4281^2 + 1349^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 20146762.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5036689 + ... + 5036692.

Almost surely, 2^20146762 is an apocalyptic number.

20146762 is a deficient number, since it is larger than the sum of its proper divisors (10073384).

20146762 is a wasteful number, since it uses less digits than its factorization.

20146762 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10073383.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 20146762 is about 4488.5144535804. The cubic root of 20146762 is about 272.1040997877.

The spelling of 20146762 in words is "twenty million, one hundred forty-six thousand, seven hundred sixty-two".