20036287654 has 16 divisors (see below), whose sum is σ = 30757533840. Its totient is φ = 9783839520.

The previous prime is 20036287637. The next prime is 20036287657. The reversal of 20036287654 is 45678263002.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 20036287654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20036287657) 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, 1006752 + ... + 1026460.

It is an arithmetic number, because the mean of its divisors is an integer number (1922345865).

Almost surely, 2^20036287654 is an apocalyptic number.

20036287654 is a deficient number, since it is larger than the sum of its proper divisors (10721246186).

20036287654 is a wasteful number, since it uses less digits than its factorization.

20036287654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31575.

The product of its (nonzero) digits is 483840, while the sum is 43.

The spelling of 20036287654 in words is "twenty billion, thirty-six million, two hundred eighty-seven thousand, six hundred fifty-four".