1020886631754 has 64 divisors (see below), whose sum is σ = 2249481386880. Its totient is φ = 306306144000.

The previous prime is 1020886631657. The next prime is 1020886631767. The reversal of 1020886631754 is 4571366880201.

It is a super-2 number, since 2×1020886631754² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1020886631697 and 1020886631706.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2549044 + ... + 2922224.

It is an arithmetic number, because the mean of its divisors is an integer number (35148146670).

Almost surely, 2^{1020886631754} is an apocalyptic number.

1020886631754 is an abundant number, since it is smaller than the sum of its proper divisors (1228594755126).

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

1020886631754 is a wasteful number, since it uses less digits than its factorization.

1020886631754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373607.

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 1020886631754 in words is "one trillion, twenty billion, eight hundred eighty-six million, six hundred thirty-one thousand, seven hundred fifty-four".